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A ball is thrown horizontally with the speed of 15 m/s from the top of a building. It takes the ball 5 s to land on the ground.
(a) What is the speed of the ball when it hits the ground?
(b) What is the magnitude of the displacement?
Carbon disulfide (CS2) has a vapor pressure of 300 Torr at room temperature, estimate the average time between collisions that the gas is experiencing inside the test chamber
A screw with 25 threads per centimeter is driven 1.49 cm into its fixture in 12.4 s with a cordless electric screwdriver. What is the average angular speed of the screwdriver
A relief airplane is delivering a food package to a group of people stranded on a very small island. What is the speed of the package when it hits the ground in mph
The head of a rattlesnake can accelerate at 50 m/s^2 in striking a victim. If a car can have the same acceleration, how long would it take for it to reach a speed of 100 km/h from rest.
A 9.0 x 10 -2 ice cube at 0.0C is dropped into a Styrofoam cup holding 0.35 kg of water at 12C, Find the amount of ice remaining
A generator has a square coil consisting of 320 turns. The coil rotates at 67 rad/s in a 0.34 T magnetic field. What is the length of one side of the coil
how much work is required to place q3 at (0,-3)? D) Calculate the electric potential energy of the group of three charges.
the young modulus of a metal wire is 0.17 tpa and its cross-sectional area is .18mm2. the wire is extended by a force
Problem on a hare and a tortoise battle
A motorcycle accelerates uniformly from rest and reaches a linear speed of 20.4 m/s in a time of 8.91 s. What is the magnitude of the angular acceleration of each tire
An ideal gas occupies a volume of 3.0 cm3 at 20°C and atmospheric pressure. Determine the number of molecules of gas in the container
A cowboy at a dude ranch fills a horse trough that is 1.50m long, 65cm wide and 45cm deep. He uses a 2cm diameter hose from which water emerges at 1.50m/s.
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