Now assume that the pitcher throws a 0.145 kg baseball parallel to the ground with a speed of 32 m/s in the +x direction
Homework Answers
Give the direction toward the plate as +, so initial momentum is +, impluse is -
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Now assume that the pitcher throws a 0.145 kg baseball parallel to the ground with a speed of 32 m/s in the +x direction
A baseball pitcher throws a 145 g baseball parallel to the ground with a speed of...
A baseball pitcher throws a 145 g baseball parallel to the ground with a speed of 27.31 m/s in the +x direction. The batter imparts an impulse of –10.43 to the ball so that the ball returns along the same path in the –x direction. What is the velocity of the ball after leaving the bat?
A pitcher throws a 0.143-kg baseball toward the batter so that it crosses home plate horizontally...
A pitcher throws a 0.143-kg baseball toward the batter so that it crosses home plate horizontally and has a speed of 42 m/s just before it makes contact with the bat. The batter then hits the ball straight back at the pitcher with a speed of 51 m/s. Assume the ball travels along the same line leaving the bat as it followed before contacting the bat. (a) What is the magnitude of the impulse delivered by the bat to the...
A pitcher throws a 0.138-kg baseball toward the batter so that it crosses home plate horizontally...
A pitcher throws a 0.138-kg baseball toward the batter so that it crosses home plate horizontally and has a speed of 42 m/s just before it makes contact with the bat. The batter then hits the ball straight back at the pitcher with a speed of 46 m/s. Assume the ball travels along the same line leaving the bat as it followed before contacting the bat. (a) What is the magnitude of the impulse delivered by the bat to the...
a baseball pitcher throws a baseball (145 grams) towards the batter at a speed of 35...
a baseball pitcher throws a baseball (145 grams) towards the batter at a speed of 35 m/s. the batter swings her bat (940 grams) with an unknown speed towards the ball. the bat hits the ball, and the ball goes flying back toward the pitcher at a higher speed. if the ball's speed (not velocity) increases by about 20% and the bat's speed decreases by about 50%, what was the initial speed of the bat before it hit the ball?...
A baseball pitcher throws a 157 g baseball at a velocity of 31 m/s towards home...
A baseball pitcher throws a 157 g baseball at a velocity of 31 m/s towards home plate. The batter hits the ball, and the velocity of the ball coming off the bat is 52 m/s in the opposite direction of the velocity of the pitch. The bat is in contact with the ball for 0.003 seconds. What is the magnitude in Newtons of the average force applied to the ball?
A baseball pitcher throws a 141 g baseball at a velocity of 33 m/s towards home...
A baseball pitcher throws a 141 g baseball at a velocity of 33 m/s towards home plate. The batter hits the ball, and the velocity of the ball coming off the bat is 54 m/s in the opposite direction of the velocity of the pitch. The bat is in contact with the ball for 0.003 seconds. What is the magnitude in Newtons of the average force applied to the ball?
A baseball pitcher throws a 146 g baseball at a velocity of 25 m/s towards home...
A baseball pitcher throws a 146 g baseball at a velocity of 25 m/s towards home plate. The batter hits the ball, and the velocity of the ball coming off the bat is 50 m/s in the opposite direction of the velocity of the pitch. The bat is in contact with the ball for 0.004 seconds. What is the magnitude in Newtons of the average force applied to the ball?
Learning Goal: To understand the relationship between force, impulse, and momentum. The effect of a net...
Learning Goal: To understand
the relationship between force, impulse, and momentum. The effect
of a net force ΣF⃗ acting on an object is related both to the force
and to the total time the force acts on the object. The physical
quantity impulse J⃗ is a measure of both these effects. For a
constant net force, the impulse is given by J⃗ =F⃗ Δt. The impulse
is a vector pointing in the same direction as the force vector. The
units...
9. A baseball pitcher throws a 158 g baseball at a velocity of 33 m/s towards...
9. A baseball pitcher throws a 158 g baseball at a velocity of 33 m/s towards home plate. The batter hits the ball, and the velocity of the ball coming off the bat is 46 m/s in the opposite direction of the velocity of the pitch. The bat is in contact with the ball for 0.004 seconds. What is the magnitude in Newtons of the average force applied to the ball? 10. A meterstick is balanced on a fulcrum at...
A pitcher throws a 0.145 kg baseball at 40.19 m/s at the catcher (who is standing...
A pitcher throws a 0.145 kg baseball at 40.19 m/s at the catcher (who is standing still). It takes the catcher 0.07 seconds to stop the baseball after catching it. What was average force required to catch the ball?
Learning Goal: To understand
the relationship between force, impulse, and momentum. The effect
of a net force ΣF⃗ acting on an object is related both to the force
and to the total time the force acts on the object. The physical
quantity impulse J⃗ is a measure of both these effects. For a
constant net force, the impulse is given by J⃗ =F⃗ Δt. The impulse
is a vector pointing in the same direction as the force vector. The
units...
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