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Q1. A 100 kg truck moving at 10 m/s runs into a concrete wall. it takes 1.0 sec for the truck to completely stop. What is the magnitude of force exerted on the truck during the collison?
Q2. A player pushes a 300 N person riding a blocking sled up a 6.0 m long ramp using a force of 150 N. the peson was raised a vertical distance of 3.0 m the actual work done by the worker was?
To push a 32 kg crate up a frictionless incline, angled at 34° to the horizontal, a worker exerts a force of 280.6 N, parallel to the incline. What is the total work done on the crate
Determine the image distance for an object do=7.900 cm from a diverging lens of radius of curvature 6.320 cm and index of refraction 1.800.
A steam turbine operates with 1.6 MPa and 350 degrees C steam at its inlet and saturated vapor at 30 degrees C at its exit. The mass flow rate of the steam is 16 kg/s, and the turbine produces 9000 kW of power. Determine the rate at which heat is los..
An air-track glider attached to a spring oscillates between the 16.31 cm mark and the 51.41 cm mark on the track. What is the maximum speed of the glider
Steven and Danny are standing apart from each other throwing a ball. Steven throws the ball to Danny and Danny throws it back immediately. How far are they apart from each other
two spaceships approach earth with equal speeds as measured by an observer on earth but from opposite directions. a
A 15.0 mW laser puts out a narrow beam 2.00 mm indiameter. What is the average (rms) value of the electricfield
A Styrofoam box has a surface area of 0.79 m2 and a wall thickness of 2.0 cm. The temperature of the inner surface is 5.0°C, obtain the thermal conductivity of the Styrofoam
A victorious 92 kg hockey player moving initially at a spped of 3.2 m/s skates by the trophy table, How heavy is the cup
A cannonball is shot from a cannon on a cliff at a height of 12.4 m at a ship on the ocean. What is the total range of the cannonball
A nail gun fires a nail into a piece of wood. The nail is going a velocity of 6.8 m/s right before entering the wood. The mass of the nail is .06kg. what is the average force on the nail
A bat hits a moving baseball. If the bat delivers a net eastward impulse of 1.5 N-s, what is the mass of the ball
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