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Q1. 0.55 kg block of ice is sliding through you on the very slippery floor at 3.6 m/s. As it goes by, you give it a kick perpendicular to its path. Your foot is in contact with the ice block for 0.0065 seconds. The block eventually slides at an angle of 32 degrees from its original direction (labelled in the diagram). The overhead view is approximately to scale. The arrow represents the average force your toe applies briefly to the block of ice.
Q2. You are driving home from school steadily at 94 km/h for 150 km. It then begins to rain and you slow to 63 km/h. You arrive home after driving 3 hours and 30 minutes. How far your hometown from school and what is was your average speed?
question1calculate approximately the average power of a water wave when it hits chest of an adult standing in the water
In a ballistics test, a 25.00 g bullet travelling horizontally at 1300m/s goes through a 20.00 cm thick 450 kg stationary target and emerges with a speed of 800m/s. The target is free to slide on a smooth horizontal surface. How long is the bullet..
A 92 kg man standing on a surface of negligible friction shoves a 73 g stone lying at his feet, giving it a velocity of 4.0 m/s. What velocity does the man acquire as a result.
A billiard ball strikes and rebounds from the cushion of a pool table perpendicularly. find the average net force exerted on the all by the cushion
A target in a shooting range consists of a square wooden board of side length S = 0.500 meter and mass mT = 0.750 kg, find the angular speed of the target just after the collision
The coefficients of friction between a block of mass 1.0 kg and a surface are ?s = 0.75 and ?k = 0.40. What is the magnitude of the frictional force
A merry go round consists of a flat disk mounted horizontally. What is the angular acceleration of the ride
For ideal gas CO2, it is compressed from an initial state of 120Kpa, 340k to a final state of 900kpa, 1200k. Determine the specific entropy change
A girl is jumping on a trampoline and reaches a maximum height of 3.1 meters, h=3.1m. She has a mass of m = 53kg. what is the spring constant k in N/m of the trampoline
An elevator moves downward in a tall building at a constant speed of 4.35 m/s. Estimate the highest floor from which the bolt can fall
In a television picture tube, electrons strike the screen after being accelerated from rest through a potential difference of 20000 V. find the electron speed just before the electron strikes the screen
A billiard ball strikes and rebounds from the cushion of a pool table perpendicularly. The mass of the ball is 0.16 kg. The ball approaches the cushion with a velocity of +1.6 m/s and rebounds with a velocity of ?1.2 m/s
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