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1) A car of mass m=1000 kg is sliding down a hill. The coefficients of friction between the car's tires and the ground are us=0.89 and uk=0.61. For what inclination angle will the car slide down the hill with a constant velocity?
2) A skier finds that she must give hersel a push to get started down ski slopes with angles less than 8 degrees. What is the coefficient of static friction between the skis and the snow?
Frames S and S' are moving relative to each other along the x and x' axes. They set their clocks to t = t' = 0 when their origins coincide, Compute the spacetime interval ?s between the events
What should the charge (sign and magnitude) of a particle of mass 1.47 be for it to remain stationary when placed in a downward-directed electric field of magnitude 610.
Calculate the acceleration of the object for an elapsed time of t=1s. use the formula: x-x0=v0t+1/2at^2 x=4.5 m v0=6.0m/s x0=-3.7m
A vented tank of large cross-sectional area has a horizontal pipe .12m in diameter at the bottom. The tank holds a liquid whose density is 1500 kg/m^3 to the height of 4.0 m.
A particle has initial velocity 5 m/s due east and acceleration 2 m/s^2 due west. Find the distance traveled during 3rd second of the motion.
A 14 liter tank of helium is at a pressure of 164 kPa at a temperature of 0 C, What is the speed of the helium atoms in the tank at this new volume, How many moles of helium are there in the tank
The bullet becomes embedded in the block. If the bullet-block system compresses the spring by a maximum of 88.0 cm, illustrate what was the speed of the bullet at impact with the block?
Construct a point charge configuration with three charges where there is a point (not at infinity) where the electric field is zero.
Damped forced oscillations, A single stage vibration isolation system consists of a heavy granite slab (100 kg) sitting on legs which act as a vertical damped spring. The "Q" (Quality Factor) of the system is 8.0, and the velocity damping coeffici..
estimate the gravitational potential energy of the system relative to the lowest point of the motion when the cat is at its highest point.
Four charges Aq,Bq,Cq, and Dq (q = 5 x 10-07C) sit in a plane at the corners of a square whose sides have length d = 80.0 cm. A charge, Eq, is placed at the origin at the center of the square.
For this experiment you will require a stand, string, a paper or plastic cup, a nail, a roll of paper towels or similar sized paper, coloured sand, or some other dry powdery product, and a ruler or measuring tape.
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