. A 5.0 kg bird, accelerating from rest at a constant rate, experiences a displacement of 28 m in 11 seconds. What is its acceleration in m/s2? (A) 0.21 (B) 0.53 (C) 9.8 (D) 5.2 (E) 0.46 What is its final kinetic energy (joules) at the end of 11 second? (A) 14 (B) 48 (C) 65 (D) 39 (E) 9.0

Physics for Scientists and Engineers
10th Edition
ISBN:9781337553278
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter9: Linear Momentum And Collisions
Section: Chapter Questions
Problem 45AP: Review. A bullet of mass m = 8.00 g is fired into a block of mass M = 250 g that is initially at...
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A 50.0 kg boy runs at a speed of 10.0 m/s and jumps onto a cart as shown in the figure below. The cart is initially at rest. If the speed of the cart with the boy on it is 2.50 m/s, what is the mass of the
cart?
(A) 175 kg
(B) 210 kg
(C) 150 kg
(D) 300 kg
(E) 260 kg
Answer questions 11 and 12 with this statement. A 5.0 kg bird, accelerating from rest at a constant rate,
experiences a displacement of 28 m in 11 seconds.

What is its acceleration in m/s2?
(A) 0.21
(B) 0.53
(C) 9.8
(D) 5.2
(E) 0.46

What is its final kinetic energy (joules) at the end of 11 second?
(A) 14
(B) 48
(C) 65
(D) 39
(E) 9.0

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