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1-A car of mass m drives at speed v over a hill with radius of curvature r.
(a) Draw a free body diagram of the car at the top of the hill.
(b) Find the normal force N on the car at the top of the hill.
2-A cart of mass m has initial velocity v0 pointing to the right. A constant net force F also pointing right acts on the cart from time t0= 0 to tf.
(a) Graph the cart's momentum versus time from t0= 0 to tf.
(b) Find the cart's final velocity vf at time tf
3- When a 2 kg mass is placed on a spring scale in equilibrium, the springAc€?cs height is compressed to 8 cm. When a 3 kg mass is placed on the same spring scale, the spring's height is compressed to 7 cm.
(a) What is the height of the spring with no mass on it?
(b) Graph the spring force verses compressed height from 10 cm to 7 cm.
Determine the location of the center of mass of the molecule as measured from the hydrogen atom (Chlorine is 35 times more massive than hydrogen.).
Assume equal amounts of energy are transferred by heat into equal-mass liquid samples of alcohol and water in separate insulated containers. How much will the alcohol rise in temperature
A thin film of oil (n = 1.26) is located on smooth, wet pavement. When viewed from a direction perpendicular to the pavement, What is the minimum thickness of the oil film
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Upton Chuck is riding the Nitro at Six Flags Great Adventure. If Upton free falls for 2.55 seconds, what would be his final velocity and how far would he fall.
A 5 g bullet with an initial velocity of 95 m/s lodges in a block of wood and comes to rest at a distance of 6 cm. assume the bullet undergoes a constant negative acceleration; it slows at a constant rate. How much time does it take for bullet to ..
One end of a cord is fixed and a small 0.390-kg object is attached to the other end, obtain the tangential and radial components of acceleration
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