Question

A bullet of mass 0.30 kg was released with a velocity of 332 ms-1 from a rifle of mass 4 kg. Calculate the recoil velocity of the rifle.

Select one:

a. 23.9

b. 25

c. 2.47

d. 24.9

e. 27

A ball of 1.5 kg is allowed to fall straight down from the roof of a building. While falling, it experiences air resistance of 6 N. Determine the acceleration of the ball towards the earth.

Select one:

a. 9 ms-2

b. 9.8 ms-2

c. 7.6 ms-2

d. 5.8 ms-2

e. 6 ms-2

Two bodies of masses 120 kg and 70 kg are moving opposite to each other with velocities 42 ms-1 and 25 ms-1 respectively and at a time they make a collision. After the collision, the bodies are combined to form a single body. With what velocity the combined body will move?

Select one:

a. 45.50 ms-1

b. 15.5 ms-1

c. 45 ms-1

d. 40 ms-1

e. 17. 32 ms-1

A truck is traveling with 60 ms-1 initial velocity with constant acceleration 8 ms-2. Find the distance traveled by truck in 9 minutes?

Select one:

a. 1.2×106 m

b. 1.2×109 m

c. 1.2×105 m

d. 1.2×107 m

e. 2.2×105 m

please anyone help me for correct ans
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Answer 1

Answer:

1st. was it kar98k from Pubg?

Explanation:

Answer 2

i

think correct

answer

is

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(a)