Advertisements
Advertisements
Question
How will the equations of motion for an object moving with a uniform velocity change?
Advertisements
Solution
For an object moving with a uniform velocity, acceleration a = 0.
∴ Equation of motions v = u + at, s = `"ut" + 1/2 "at"^2`
and v2 − u2 = 2as change to v = u, s = ut and v = u
APPEARS IN
RELATED QUESTIONS
What conclusion can you draw about the velocity of a body from the displacement-time graph shown below :
A motorcycle moving with a speed of 5 m/s is subjected to an acceleration of 0.2 m/s2. Calculate the speed of the motorcycle after 10 seconds, and the distance travelled in this time.
A train starting from stationary position and moving with uniform acceleration attains a speed of 36 km per hour in 10 minutes. Find its acceleration.
When a car driver travelling at a speed of 10 m/s applies brakes and brings the car to rest in 20 s, then retardation will be :
Define velocity. State its unit.
If a stone and a pencil are dropped simultaneously in vacuum from the top of a tower, then which of the two will reach the ground first? Give reason.
What do you understand by the term acceleration?
Can you suggest a real-life example about the motion of a body from the following velocity – time graph?
Draw a velocity versus time graph of a stone thrown vertically upwards and then coming downwards after attaining the maximum height.
An object starting from rest travels 20 m in the first 2 s and 160 m in the next 4 s. What will be the velocity after 7 s from the start?
