c) A car sits in an entrance ramp to a freeway, waiting for a break in the traffic. Then the driver accelerates with constant acceleration along the ramp and onto the freeway. The car starts from rest, moves in a straight line, and has a speed of 18.4 m/s when it reaches the end of the 116- m-long ramp. The acceleration of the car is (Round your answer to two digits after decimal point): Answer: 1.46 ✔ A small rock is thrown vertically upward with a speed of 18.4 m/s from the edge of the roof of a 56-m-tall building. The rock doesn't hit the building on its way back down and lands in the street below. Ignore air resistance. How much time elapses from when the rock is thrown until it hits the street? (Round your answer to two digits after decimal point) Answer: 5.74 ✔

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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b)
c)
A bird is flying due east. Its distance from a tall building is given by x(t) = 35.0+ 11.9 t-0.042 t (where x in m & tin s). The average velocity
of the bird for the first 3.40 seconds is (Round your answer to one digit after decimal point):
Answer:
11.4 ✓
A car sits in an entrance ramp to a freeway, waiting for a break in the traffic. Then the driver accelerates with constant acceleration along the
ramp and onto the freeway. The car starts from rest, moves in a straight line, and has a speed of 18.4 m/s when it reaches the end of the 116-
m-long ramp. The acceleration of the car is (Round your answer to two digits after decimal point):
Answer:
1.46 ✔
A small rock is thrown vertically upward with a speed of 18.4 m/s from the edge of the roof of a 56-m-tall building. The rock doesn't hit the
building on its way back down and lands in the street below. Ignore air resistance. How much time elapses from when the rock is thrown until
it hits the street? (Round your answer to two digits after decimal point)
Answer:
5.74 ✔
correct answer given for all questions
just need correct solution
Transcribed Image Text:b) c) A bird is flying due east. Its distance from a tall building is given by x(t) = 35.0+ 11.9 t-0.042 t (where x in m & tin s). The average velocity of the bird for the first 3.40 seconds is (Round your answer to one digit after decimal point): Answer: 11.4 ✓ A car sits in an entrance ramp to a freeway, waiting for a break in the traffic. Then the driver accelerates with constant acceleration along the ramp and onto the freeway. The car starts from rest, moves in a straight line, and has a speed of 18.4 m/s when it reaches the end of the 116- m-long ramp. The acceleration of the car is (Round your answer to two digits after decimal point): Answer: 1.46 ✔ A small rock is thrown vertically upward with a speed of 18.4 m/s from the edge of the roof of a 56-m-tall building. The rock doesn't hit the building on its way back down and lands in the street below. Ignore air resistance. How much time elapses from when the rock is thrown until it hits the street? (Round your answer to two digits after decimal point) Answer: 5.74 ✔ correct answer given for all questions just need correct solution
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