Physics, 28.01.2020 05:31 israbennett
A0.0950-kg ball is thrown at 28.0 m/s toward a brick wall. 1) determine the impulse that the wall imparts to the ball when it hits and rebounds at 28.0 m/s in the opposite direction. the positive direction is toward the wall. (express your answer to three significant figures). kg⋅mskg⋅ms submit you currently have 0 submissions for this question. only 5 submission are allowed. you can make 5 more submissions for this question. 2) determine the impulse that the wall imparts to the ball when it hits and rebounds at an angle of 45.0∘∘. the positive direction is toward the wall. (express your answer to three significant figures). kg⋅mskg⋅ms submit you currently have 0 submissions for this question. only 5 submission are allowed. you can make 5 more submissions for this question. 3) if the ball thrown in part (b) contacts the wall for 0.0100 s, determine the magnitude and direction of the force that the wall exerts on the ball. the positive direction is toward the wall. (express your answer to three significant figures).
Answers: 3
Physics, 22.06.2019 01:30
Which explanation describes the forces involved for a person to walk down the sidewalk? a. the person's feet push backward on the sidewalk; the sidewalk pushes backward on the person. b. the person's feet push forward on the sidewalk; the sidewalk does not push on the person. c. the person's feet push backward on the sidewalk; the sidewalk pushes forward on the person. d. the person's feet push forward on the sidewalk; the sidewalk pushes forward on the person.
Answers: 1
Physics, 22.06.2019 14:00
Agraduated cylinder contains 63.0 ml of water. a piece of gold, which has a density of 19.3 g/ cm3, is added to the water and the volume goes up to 64.5 ml. calculate the mass in grams of the gold that was added to the water. explain how you got your answer.
Answers: 3
Physics, 23.06.2019 07:00
Auniform brick of length 25 m is placed overthe edge of a horizontal surface with a maximum overhang of 12.5 m attained withouttipping. now two identical uniform bricks of length25 m are stacked over the edge of a horizontalsurface. what maximum overhang is possible forthe two bricks (without tipping)? answer in units of m.
Answers: 2
Physics, 23.06.2019 08:30
which pair of rays would be part of a ray diagram showing reflection? - a & b which pair of rays would be part of a ray diagram showing refraction? c & a
Answers: 1
A0.0950-kg ball is thrown at 28.0 m/s toward a brick wall. 1) determine the impulse that the wall im...
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