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A child whose weight is 278 N swings out over a pool of water using a...
Determine the normal stresses (in MPa) at points A and B. Specify whether these stresses are...
Some very hot rocks have a temperature of #640 ^o C# and a specific heat of #180 J/(Kg*K)#. The rocks are bathed in #18 L# of boiling water. If the heat of the rocks completely vaporizes the water, what is the minimum combined mass of the rocks?
The electric potential at point (x, y, z) Is given by V=-x²y-xz³+4. What is the magnitude of electric field at (1,1,1)?
An object with a mass of #2 kg# is hanging from an axle with a radius of #24 cm#. If the wheel attached to the axle has a radius of #36 cm#, how much work would it take to turn the wheel a length equal to the circumference of the axle?
What is the specific heat capacity of ice, water and steam?
What is the projection of ## onto ##?
Some very hot rocks have a temperature of #450 ^o C# and a specific heat of #180 J/(Kg*K)#. The rocks are bathed in #6 L# of boiling water. If the heat of the rocks completely vaporizes the water, what is the minimum combined mass of the rocks?
A roller coaster has a hill that is #20m# tall. If the roller coaster cart is moving at #20m/s# as it enters the bottom of the hill, how do you answer the following questions?
A 1.5 m tall woman throws a tennis ball horizontally. The ball lands 20 m away. What was the initial horizontal velocity of the ball?
A wooden ball of mass 10 g is suspended by a thread. The horizontal current of air blows it from one side so that so that thread makes an angle of 60 degrees with vertical. What is tension in thread and force of air current?
A spring with a constant of #8 (kg)/s^2# is lying on the ground with one end attached to a wall. An object with a mass of #8 kg# and speed of #6 m/s# collides with and compresses the spring until it stops moving. How much will the spring compress?
A spring with a constant of #4 (kg)/s^2# is lying on the ground with one end attached to a wall. An object with a mass of #3 kg# and speed of #3 m/s# collides with and compresses the spring until it stops moving. How much will the spring compress?
A charge of #15 C# passes through a circuit every #12 s#. If the circuit can generate #6 W# of power, what is the circuit's resistance?
A spring with a constant of #3 (kg)/s^2# is lying on the ground with one end attached to a wall. An object with a mass of #4 kg# and speed of #2 m/s# collides with and compresses the spring until it stops moving. How much will the spring compress?
A cylinder has inner and outer radii of #8 cm# and #18 cm#, respectively, and a mass of #1 kg#. If the cylinder's frequency of counterclockwise rotation about its center changes from #15 Hz# to #9 Hz#, by how much does its angular momentum change?
10 You are working in a biology lab during your summer break. Your of DNA (deoxyribonucleic...
What does that mean that these equations aren't CLOSED? 0t OD (ii) V B-0,
Pre-Lecture Question 02 To answer this question, first click here to view the associated video. A...
continuous object using integrals. Consider a thin, charged rod of length, L. It lies along the...
1. Four members of the Malden Bicycle Club meet at a certain intersection on Main Street....
Two forces act on a single object. One of them is 15 Newtons up and the...
Let Complete each vector sum. A+B+C= A-B-C=
An isolated conductor of arbitrary shape has a net charge of +1.4 ✕ 10−5 C. Inside...
Two jets leave Denver at 9:00 A.M., one flying east at a speed 50 km/h greater than the other, which is traveling west. At 11:00 A.M. the planes are 2500 km apart. Wha tare their speeds?
A weightless rod of length 2L carries two equal mass 'm', one secured at lower end A and the other at the middle of the rod B. The rod can rotate in vertical plane?
#s. The Wltge outpt an AC Source isgiveny te expressin AN=200Sinu, ohere AV is in Vots...
Part What is the charge on the first sphere it equals one-quarter the charge of the...
Consider a frictionless track as shown in the figure below. A block of mass m1 = 5.65...
What is the relationship between velocity and distance?
Water flows at 0.25 L/s through a 7.0- m -long garden hose 2.0 cm in diameter...
An object is at rest at #(4 ,1 ,2 )# and constantly accelerates at a rate of #7/5 m/s^2# as it moves to point B. If point B is at #(5 ,6 ,1 )#, how long will it take for the object to reach point B? Assume that all coordinates are in meters.
Dimensional formula of 1/4πE0?
A small drop of water is suspended motionless in air by a uniform electric field that...
An object with a mass of #18 kg# is hanging from an axle with a radius of #16 cm#. If the wheel attached to the axle has a radius of #2 cm#, how much force must be applied to the wheel to keep the object from falling?
Mass and weight are closely related, but different, physical quantities. For the following statenents determine whether...
Chapter 33, Problem 016 Large radio telescopes, like the one in Arecibo, Puerto Rico, can detect...
Class Management Help Homework 02 Begin Date: 125/2019 5:00:00 PM-Due Date: 2/1/2019 5:00:00 PM End Date:...
4) A simple amplifier is modeled as shown in the figure below. Find the current in...
Nonuniform Semicircle of Charge A non-uniformly charged semicircle of radius R-10.9 cm lies in the xy...
Two spheres are launched horizontally from a 1.14-m-high table. Sphere A is launched with an initial...
E)F 0.51 1.0 F 4.012.0 Find the vector torque which is r XF. r-radius vector, F...
11 and 12 A convex spherical mirror has a focal length of -12 cm. If an...
-M points OSColPhysAP2016 6.1.P.001 My Notes Ask Your Teacher Semi-trailer trucks have an odometer on one...
In a 100m sprint race, Usain Bolt accelerates out of the blocks and reaches a velocity of 6.92 m/s at the 20m point. What is Usain's acceleration out of the blocks?
Exercise 21.9 Constant:s PartA Two small plastic spheres are given positive electrical charges. When they are...
nitilly at rest experiences an acceleration of 2.00 m/se for 5.10 s then travels at that...
Saturn's rings extend from about 92,000 km to about 136,000 km from the centre of saturn,...
Starting from rest, a ball of mass 4 kg experiences a constant force of 16 N...
The electric field midway between two equal but opposite point charges is 922.0 N/C, and the...
You analyze the voltages across different branches of a simple circuit (using Kirchoff's Laws), and you...
In the figure particles 1 and 2 are fixed in place on an x axis, at...
the instantaneus magnitude 80 direction d aifers from check your calultionsm/s SAMSUNG
11(a) Find the torque on the door. (b) What is the pe What is the net...
Question Completion Status Moving to another question wil save this response. Question 2 of 45 Question...
PLEASE SHOW WORK! :) (1 points) Question 6 A single-turn circular loop of wire of radius...
8. Positive charge is distributed along a very thin wire of length L, centered at the...
(1) Observer S (at x 0) sees a flash of red light at XR 1200 m...
Charge 1 of 34.1 micro-coulombs and charge 2 are separated by some distance and the magnitude...
Electromagnetic radiation is incident on a metallic surface. Electrons are emitted from the surface when the...
Each kg of dough takes 11 W h to develop into a gas holding structure. 50...
I believe all of these statements are false, but could you explain why for each please?...
Two charged particles are located in the X-Y Plane. Particle 1 carries 0.510 uC of charge...
If #s=ut+1/2at^2#, #t=#?
The asteroid Ceres has a mass of #7*10^20# #kg# and a radius of #500# #km#. What is #g# on the surface of Ceres? How much would a #99# #kg# astronaut weigh on Ceres?
A projectile is shot at an angle of #pi/4 # and a velocity of # 47 m/s#. How far away will the projectile land?
A 2000-kg car is moving at 10 m/s. (1) What is the car kinetic energy? (2) What is the car linear momentum?
How can we decrease friction?
Why is Q = ∆U (heat = change in thermal energy)?
An object has a mass of #4 kg#. The object's kinetic energy uniformly changes from #128 KJ# to # 48 KJ# over #t in [0, 12 s]#. What is the average speed of the object?
If we fire a bullet in a free-falling elevator then will it form an arc or not? If not, then please tell why?
A solid weighs 32 gf in air and 28.8 gf in water. What is the relative density of the solid?
An object, previously at rest, slides #5 m# down a ramp, with an incline of #pi/3 #, and then slides horizontally on the floor for another #3 m#. If the ramp and floor are made of the same material, what is the material's kinetic friction coefficient?
A container has a volume of #9 L# and holds #18 mol# of gas. If the container is expanded such that its new volume is #54 L#, how many moles of gas must be injected into the container to maintain a constant temperature and pressure?
An object of mass 30 kg is in free fall in a vacuum where there is no air resistance. What is the acceleration of the object?
A pump is to raise 100 litre of water a height of 1.2 m in 10s. Calculate the power required assuming 1 litre of water has a mass of 1 kg. ?
The single proton that forms the nucleus of the H atom has a radius of approximately...
What is the projection of ## onto ##?
Problem 16.14 A charge of 2.65 mC is placed at each corner of a square 0.170...
A charge of 1.20 mC is placed at each corner of a square 0.100 m on...
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Recent Questions
Recent Answers
How do you differentiate #ln |cosx/cosx-1| #?
asked at 2020-01-25 03:58:17
How does temperature affect volume?
asked at 2020-01-25 03:58:11
A child whose weight is 278 N swings out over a pool of water using a...
asked at 2020-01-25 03:58:06
5. Total debits must equal total credits. This is the basis of... a. an income statement....
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How do you calculate the mass of a rectangular solid that has a density of 3.14 g/cm^3 and measures 2.50 cm by 1.30 cm by 3.00 cm?
asked at 2020-01-25 03:57:42
Determine the normal stresses (in MPa) at points A and B. Specify whether these stresses are...
asked at 2020-01-25 03:57:38
2. Prepare the journal entry to record their issuance by Patey on January 1, 2013. (If...
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Find the distance of the points A(3,6)B(-7,8) from the line 4x+6y-8=0?
asked at 2020-01-25 03:57:20
Skysong Company purchased equipment for $199,200 on October 1, 2020. It is estimated that the equipment...
asked at 2020-01-25 03:57:14
Some very hot rocks have a temperature of #640 ^o C# and a specific heat of #180 J/(Kg*K)#. The rocks are bathed in #18 L# of boiling water. If the heat of the rocks completely vaporizes the water, what is the minimum combined mass of the rocks?
asked at 2020-01-25 03:57:04
#d/(dx) [ln|(cosx)/(cosx) - 1|...
answered at 2020-01-25 03:58:17
They are directly proportional...
answered at 2020-01-25 03:58:13
I tried this:...
answered at 2020-01-25 03:58:12
A child whose weight is 278 N swings out over a pool of water using a...
answered at 2020-01-25 03:58:07
Answer: Double entry book keeping As per this concept the...
answered at 2020-01-25 03:57:51
I got: #m=30.61g#...
answered at 2020-01-25 03:57:42
ILKN 140-72=68 A B bending moment 12KN X 140 = 1680 KN mm...
answered at 2020-01-25 03:57:39
req 1. Price of bonds n = 8...
answered at 2020-01-25 03:57:27
#20/sqrt13, and, 6/sqrt13,"...
answered at 2020-01-25 03:57:20
SOLUTION 1 (A) CALCULATION OF THE...
answered at 2020-01-25 03:57:14