Motion Test - 5...

 In which of the following option could represent the ball moving at a constant velocity? 

A block starts accelerating at $$5 m/s^{2}$$ from rest on a frictionless surface. Calculate the distance traveled by  the block in first 4 seconds?

The velocity-time graph below represents the velocity of a toy train as it moves north and south with velocity near the middle of the vertical axis. During which, Interval(s) is the toy train speeding up?

A ball of mass m is thrown straight upward from the top of a multi-storey building with an initial velocity of +15 m/s.
Find out the approximate maximum height reached by the ball?

A block of mass 2 kg falls from the wall at a height of 2.3 m. Calculate the velocity just before it hits the ground. ($$g=-9.8 \frac{m}{s^2}$$)

A car starts from rest and accelerates on a straight horizontal track at $$5 {m}/{{s}^{2}}$$. Find out the distance travel by the car in $$8$$ seconds?

The graphs above show that position versus time for three different cars: $$1, 2,$$ and $$3$$. Rank these cars according to the magnitudes of their velocities, greatest first. 

A frog that jumps upwards is under the influence of gravity and accelerates at a constant rate.
If it has an initial upwards velocity of $${v}_{0}=5.00{m}/{s}$$, approximately how far above the ground will it be when it has velocity $$v=-2.50{m}/{s}$$?

The position-time graphs above represent the motions of cars $$1$$ to $$5$$.
How do they rank, according to their speeds (greatest first)?

A cart begins from rest at the top of a long incline and rolls with a constant acceleration of $$2m/s^{2}$$. How far has the cart moved along the incline after rolling for $$3$$ seconds?