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A 41 g puck moving at 2.00 m/s hits a stationary 88 g puck and they under go an elastic collision. Puck 1 moves away with speed v= .84 m/s and puck 2 with speed v in a different direction. What is the angle between their velocities?
An aluminum calorimeter with a mass of 100 g contains 250 g of water. The calorimeter and water are in thermal equilibrium at 10.0°C. Determine the specific heat of the unknown sample
A neutron of initial kinetic energy (Eini) scatters elastically from a target nucleus which is initiallt at rest. Find the maximum and average fractional kinetic energy loss F=1-(Efinal/Einitial)
light rays in a material with index of refrection 1.31 can undergo total internal reflection when they strike the
A bottle rocket is launched at an angle of 30 degrees from the ground with a speed of 200m/s. What is the range of the rocket if it lands on level ground
Water flowing through a garden hose of diameter 2.79 cm fills a 21.0-L bucket in 1.10 min. What is the speed of the water leaving the end of the hose
A women drove to work at an average speed 40 miles per hours and returned along the same route at 30 miles per hour. What was the total number of miles in the round trip
Two ships are moving along a line due east (see figure below). The trailing vessel has a speed relative to a land-based observation point of v1 = 59.5 km/h, What frequency is monitored by the leading ship
A glass rod is rubbed with a cloth, and the rod is left with a charge of +5.0nC. How many electrons did the cloth gain
A trap door, of length and width 2.35 m, is held open at an angle of 65.0° with respect to the floor. what is the torque exerted on the trap door by the rope
Suppose two highly precise, identical clocks are synchornized and one clock is placed at the North Pole and one clock is placed at the equator. After 100 years, how much time will the clocks differ in time
The technique known as potassium-argon dating is used to date old lava flows. The potassium isotope 40K has a 1.28 billion year half-life, What is the age of the rock
A golf ball is struck at ground level. The speed of the golf ball as a function of the time, How far does the golf ball travel horizontally before returning to ground level
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