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Physics Questions
a ball is thrown at 60 degree angle above the horizontal at 20m/s. if it hits...
A detached house is built using a cavity wall, consisting of two layers of brick separated...
A 3.8 kg block of wood sits on a frictionless table. A 3.0 g bullet, fired...
A squirrel has x- and y- coordinates (1.3 m, 3.8 m) at time t1=0 and coordinates...
Explain how a light material, such as fiberglass insulation, makes an effective barrier to keep a...
In the diagram below, |A| = 3.09, |B| = 4.08, θ1 = 20.0°, and θ2 =...
The maximum speed of a child on a swing is 4.9 m/s. The child's height above...
An object in simple hormonic motion starts at Amplitude Ao. Due to dampening, after 30 sec,...
a bicycle wheel is rotating at 50 rpm when the cyclist begins to pedal harder for...
A mass attached to a spring oscillates with a period of 3.15 s. (a) If the...
On a bright sunny day with no wind you set up a projectile canyon on the...
For each of the following movements (a-b), draw a graphic representation with its respective movement diagram....
The membrane that surrounds a certain type of living cell has a surface area of 5.9...
A particle oscillates in simple harmonic motion with amplitude 7.00 cm and period 0.412 s At...
As you know, the momentum is equal to mass time velocity. Compare a car with a...
Two identical cannon balls were dropped from the same height but one landed on concrete and...
A relaxed spring of length 0.17 m stands vertically on the floor; its stiffness is 1460...
Whenever two Apollo astronauts were on the surface of the Moon, a third astronaut orbited the...
Variations in the resistivity of blood can give valuable clues to changes in the blood's viscosity...
Calculate the mechanical energy (in Joules) of a cart of mass 428.9 g having velocity 0.59...
If an inductor and a capacitor are in series in a circuit with low resistance, what...
A copper cable is designed to carry a current of 250A with a power loss of 2.20 W/m. What...
A plane electromagnetic wave is traveling northward. At a certain time and place, the electric field...
A positive charge of 4.10 μC is fixed in place. From a distance of 3.40 cm...
Suppose you catch a fish while fishing and have just raised it out of the water....
Laser power losses in optical fibers are due to either intrinsic or extrinsic factors. • What...
the blade of a lawn mower is a 4.25 kg. 74.5 cm long metal (with a...
The magnetic field in an electromagnetic wave has a peak value given by B = 4.7...
A 10, 000 kg railroad car is rolling on a horizontal railroad track at 1.20 m/s....
Figure1 of 1The figure shows a proton traveling to the right through a magnetic field B...
To save money on buying mercury you build a BAROMETER using water as the fluid inside...
After they have influenced the receptors in the post-synaptic membrane, those neurotransmitter molecules which are not...
25. What is the magnitude of the force of gravity on a book of mass 2.45...
A homogeneous solid object floats on water with 80% of its volume below the surface. The...
A proton has the initial speed of 5.1×105 m/s. (a) what is the potential difference required...
A curve of radius 70 m is banked so that a 1000 kg car traveling at...
A 4 Ohm is connected a 5 micro-farad capacitor with an initial charge of 108.1 micro-coulombs....
A beam of light of wavelength 600 nm from a distant source falls on a single...
10.) Suppose a 45 cm long, 9.5 cm diameter solenoid has 1000 loops. Part (a) Calculate...
Two point charges, q1 = 1.4 ✕ 10−7 C and q2 = −5.4 ✕ 10−8 C,...
A 9.0-cm -long wire is pulled along a U-shaped conducting rail in a perpendicular magnetic field....
A certain laboratory experiment requires an aluminum wire of length of 28.0 m and a resistance...
A solenoid passes through the x-y plane. A charge of +9 Coulombs with a mass of...
An aluminum cube of mass 44.25 g is immersed in liquid Nitrogen and comes to thermal...
Q1: A student draws a force diagram for a book resting on a table. What is...
A spring hands vertically. Someone attaches a .37kg weight at the other end. (gravity = 9.81m/s^2)...
A bug of mass 2.0 g is sitting at the edge of a CD of radius...
Scientists are trying to model lightning in a lab using 2 large round metal plates. The...
Ocean waves moving towards the shore has a peak-to-trough height of 2 meters and a wavelength...
A charge of 5.0 mu or micro CC is located at x = 0 cm, y...
Each of the following vectors is given in terms of its x- and y-components. Part A:...
the 12 gauge copper wire in a typical residential building has a cross-sectional area of 3.31e-6...
Hi, I'm having a problem with finding a unit of a slope for the given function:...
"An automobile has a 18.0-W reading lamp in the ceiling. This lamp operates with a voltage...
A group of students conduct the picket fence experiment; the same one we did. Except, they...
Calculate the rotational kinetic energy of a tire with a mass of 20.0 kg and a...
You live on a busy street, but as a music lover, you want to reduce the...
PROBLEM 1 – A velocity selector (Wien Filter) has an electric field of magnitude 2470 N/C,...
A simple pendulum has a mass 6.3 kg, length 2.42 meters, and initial velocity 4.8 in...
A 11.0-kg monkey swings from a vine. The distance from the monkey to where the vine...
Coasting along at 8.70 m/s, a 60.0 kg bicyclist on a 7.80 kg bicycle encounters a...
A block of material has a heat capacity given by C = AT , where T...
Calculate the Pressure of 2x10-3 mol gas contained in a 10 ml container at 30 oC....
What kind of decay, and why, would you expect from each of the following? You may...
Calculate the angular speed if the rotation between the two positions (0 and 60 degree) was...
A traveler pulls on a suitcase strap at an angle 30 degrees above the horizontal. If...
The isotope iodine-131 has a half-life of 8.1 days. A scientist places a 100gram100gram sample of...
Two particles, with identical positive charges and a separation of 3.42 × 10-2 m, are released...
a skier is going down a 20 degree slope. A horizontal headwind is blowing in the...
For every action, there is an equal and opposite reaction. If the action and reaction forces...
What is the angle θ between vectors A⃗ and B⃗ if A⃗ =2ı^+4ȷ^ and B⃗ =8ı^−4ȷ^? Express your...
A human (88 kg) goes skydiving from space and goes into a vertical dive trying to...
In a game of pool, the cue ball is rolling at 2.50 m/s in a direction...
How far must you stretch a spring with k = 2000 N/m to store 300 J...
Given the following, find the mass density. Mass = 0.15 grams Length of string = 47.3...
Two asteroids are in space separated by a distance of 4000m with no other forces around...
A disk rotates about its central axis starting from rest and accelerates with constant angular acceleration....
Use Hooke's Law for this (F = - k s ): Where F is the spring's...
An alpha particle, which has charge 3.20 ✕ 10−19 C, is moved from point A, where...
Unit of frequency is Hz. It is also can be written as s-1 (per second) in...
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