Physics, 09.07.2021 03:40, sistersaray
A ball is at rest on the ground. A boy kicks the ball. The boy's boot is in contact with the ball for 0.0405 The average force on the ball is 200N The ball leaves the boys boot with a speed of 20mis Which row gives the impulse of the boot on the ball and the average acceleration of the ball? impulse on ball Ns averagn acceleration of ball W m/s A 8 8 500 5000 D 5000 500 Ов
Answers: 1
Physics, 21.06.2019 15:10, jessbri5150
Alightning strike consists of charge moving from a cloud to the ground . in one particular case, the electrons in a lightning strike are confined to travel within a radius of 1.5 m and to move at a speed of 5.0 x 10 m/s. if the density of electrons in the strike is 10'15 electrons/m what current is carried by the lightning ?
Answers: 1
Physics, 22.06.2019 12:00, P4thing
Under the action of a constant force an object accelerates at 7.8 m/s2. what will the acceleration be if (a) the force is halved? (b) the object's mass is halved? (c) the force and the object's mass are both halved? (d) the force is halved and the object's mass is doubled?
Answers: 3
Physics, 22.06.2019 23:30, elizabethhubbe
Which statement correctly describes the interaction between magnetic poles? north and south poles attract each other. north and south poles repel each other. two north poles will attract each other. two south poles will attract each other.
Answers: 1
A ball is at rest on the ground. A boy kicks the ball. The boy's boot is in contact with the ball fo...
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