College Physics Homework Questions & Answers - HomeworkLib

College Physics Questions

the speed of light is about 3.00 x 10^8 m/s
A single resistor is wired to a battery
three carts of masses 4.0kg, 10kg, and 3.0kg move on a frictionless horizontal track with speeds of 5.0m/s, 3.0m/s, and 4.0m/s
A 3.5-A current is maintained in a simple circuit with a total resistance of 1500 W
A 1500-W heater is designed to be plugged into a 120-V outlet
A hockey puck B rests on frictionless, level ice and is struck by a second puck A, which was originally traveling at 40.0 m/s and which is deflected 30 degrees from its original direction
Now assume that the pitcher throws a 0.145 kg baseball parallel to the ground with a speed of 32 m/s in the +x direction
In a nuclear reactor, neutrons released by nuclear fission must be slowed down before they can trigger additional reactions in other nuclei
Three identical balls are thrown from the top of a building, all with the same initial speed
four particles are fixed along an x axis, separated by distances d = 2.70 cm
A 62.0 kg skier is moving at 6.50 m/s on a frictionless, horizontal snow covered plateau when she encounters a rough patch 3.50 m long
Three identical charges (q = +5.0mC) are along a circle with radius of 2.0m at angles of 30, 150, and 270 degrees
The four tires of an automobile are inflated to a gauge pressure of 2.0x10^5 Pa
A turntable reaches an angular speed of 33.3 rpm, in 2.0 s, starting from rest
Find the x and y coordinates of the center of gravity of a 4ft by 8ft uniform sheet of plywood with the upper right quadrant removed
How long does it take an automobile traveling in the left lane of a highway at 60.0 km/h to overtake (become even with) another car that is traveling in the right lane at 20.0 km/h when the cars' front bumpers are initially 75 m apart
The best leaper in the animal kingdom is the puma, which can jump to a height of 3.7 m when leaving the ground at an angle of 45°
A compact disk, which has a diameter of 12.0 cm, speeds up uniformly from zero to 4.40 rev/s in 3.20 s What is the tangential acceleration of a point on the outer rim of the disk at the moment when its angular speed is 3.00 {rev/s}
Vector A points in the negative y direction and has a magnitude of 6 units
150 pJ of energy is stored in a 1.0 cm times 1.0 cm times 1.0 cm region of uniform electric field
Two 2.4 cm diameter disks spaced 1.5 mm apart form a parallel-plate capacitor
A golf ball (mass 0.045 kg) is hit with a club from a tee
The electrons that produce the picture in a TV set are accelerated by a very large electric force as they pass through a small region in the neck of the picture tube
In this problem you will estimate the heat lost by a typical house, assuming that the temperature inside is T(in) = 20 degrees celcius and the temperature outside is T(out) = 0 degrees celcius
A point on a rim of a 0.15-m-radius rotating disk has a centripetal acceleration of 5.0 m/s^2
When two objects of unequal mass are hung vertically over a frictionless pulley of negligible mass, as shown below, the arrangement is called an Atwood machine
What is the potential difference across the 10 and 20 ohm resistor in the figure there is a battery of 15V with two in series resisters of 10 Ohm and 20 ohm
an escalator carries you from one level to the next in the airport terminal
a uniform bridge span weighs 50x10^3 and is 40m long
A child swings a yo-yo of weight mg in a horizontal circle so that the cord makes an angle of 30 degrees with the vertical
A 0.30 radius automobile tire accelerates from rest to a constant 2.0 rad/s
A man pushing a crate of mass m = 92.0 kg at a speed of v = 0.860 m/s encounters a rough horizontal surface of length = 0.65 m as in the figure below
a 1200kg car coasts from rest down a driveway that is inclined 20degrees
An electron is launched from the negative plate
Two blocks of mass m1 = 3.00 kg and m2 = 7.50 kg are connected by a mass less string that passes over a frictionless pulley
A certain transverse wave is described by the equation y(x,t) = (6.50 mm)sin2pi((t/0.0360 s)-(x/0.280m)) Determine the wave's (a) amplitude (b) wavelength (c) frequency (d) speed of propagation and (e) direction of propagation

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