Physics 25-09-24

• C

• A

• B

• D

• C

• A

• B

• D

• A

• B

• C

• D

What is the order of magnitude of the Young modulus for a metal such as copper?

• 10^–11Pa

• 10^–4Pa

• 10⁴Pa

• 10¹¹Pa

• A

• B

• C

• D

• D

• A

• B

• C

• A

• B

• C

• D

A car is travelling at constant velocity. At time t = 0, the driver of the car sees an obstacle in the road and then brakes to a halt. The graph shows the variation with t of the velocity of the car

How far does the car travel in the 5.0s after the driver sees the obstacle

• 16m

• 42m

• 58m

• 84m

• C

• A

• B

• D

• A

• B

• C

• D