Physics
Physics, 02.12.2021 01:50, mattgraham366

1. Plot a velocity-time graph using table: Draw a line of the best fit and use your graph to find:

° Acceleration during the first 4 seconds
° The distance traveled in the first 4 seconds;

 The distance traveled in the first 5 seconds;

 The average speed during the 8 seconds of motion shown.

2. The diagram below shows a block of wood on a sloping surface. Copy the

diagram and label all the forces that act on the block of wood.

3. A spring stretches from 10 cm to 22 cm when a force of 4 N is applied. If it

obeys Hooke’s law, find its total length in cm when a force of 6 N is applied.

4. A rocket has a mass of 500 kg.

 What is its weight on Earth, if g = 10 N/kg?

 At lift-off the rocket engine exerts an upward force of 25 000 N. What is the

resultant force on the rocket?

 What is its initial acceleration?

5. A ball is projected vertically upwards with an initial velocity of 30 m/s. Find its

maximum height and the time taken to return to its starting point. Neglect air

resistance and take g = 10 m/s2

.(Hint: the velocity of the ball is zero at its highest point.)

GIVE ME THE REAL ANSWER ALREADY AND I WILL BE VERY HAPPY!

AND DON'T GIVE ME THE LINK DESCRIPTION! UNDERSTAND!


1. Plot a velocity-time graph using table:

Draw a line of the best fit and use your graph to find

answer
Answers: 2

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