An experimental car in fig (a) starts from rest and travels along a straight track such that it accelerates at a constant rate for 10 s and then decelerates at a constant rate draw the v-t and s-t graphs and determine the time t' needed to stop the car. how far has the car travelled.?

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Updated on:21/07/2023

Class 11 PHYSICS NEWTONS LAW OF MOTION

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Question 1 - Select One
A car accelerates from rest at a constant rate for some time after which it decelerates at a constant rate $β$ to come to rest. If the total time elapsed is t, the maximum velocity acquired by the car is given by :
A $\frac{α β}{α + β} t$
B $\frac{α + β}{α β} t$
C $\frac{α^{2} + β^{2}}{β α}$
D $\frac{α + β^{2}}{β α}$
Question 1 - Select One
A car accelerates from rest at a constant rate $α$ for sometime , after which it decelerates at a constant rate $β$ and comes to rest. If T is the total time elapsed, the maximum velocity acquired by the car is
A $(\frac{α β}{α + β}) T$
B $((α + \frac{β}{α β}) T$
C $(\frac{α^{2} + β^{2}}{α β}) T$
D $\frac{1}{2} \frac{α T}{β}$
Question 1 - Select One
A car, starting from rest, accelerates at the rate f through a distance s, then continues at constant speed for time t and then decelerates at the rate f/ 2 to come to rest. If the total distance travelled is 15 s, then
A $s = \frac{1}{72} f t^{2}$
B $s = \frac{1}{36} f t^{2}$
C $s = \frac{1}{2} f t^{2}$
D $s = \frac{1}{4} f t^{2}$
Question 1 - Select One
A particle starts from rest, accelerates at $2 \frac{m}{s^{2}}$ for 10 s and then goes for constant speed for 30 s and then decelerates at $4 \frac{m}{s^{2}}$ till it stops. What is the distance travelled by it?
A750 m
B800 m
C700 m
D850 m
Question 1 - Select One or More
A car accelerates from rest at a constant rate of $2 m s^{- 2}$ for some time. The it retatds at a constant rate of $4 m s^{- 2}$ and comes to rest. It remains in motion for $6 s$ .
AIts maximum speed is $8 m s^{- 1}$
BIts maximum speed is $6 m s^{- 1}$
CIt travelled a total distance of $24 m$
DIt travelled a total distance of $18 m$

An experimental car in fig (a) starts from rest and travels along a straight track such that it accelerates at a constant rate for 10 s and then decelerates at a constant rate draw the v-t and s-t graphs and determine the time t' needed to stop the car. how far has the car travelled.?

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Knowledge Check

A car accelerates from rest at a constant rate for some time after which it decelerates at a constant rate $β$ to come to rest. If the total time elapsed is t, the maximum velocity acquired by the car is given by :

A car accelerates from rest at a constant rate $α$ for sometime , after which it decelerates at a constant rate $β$ and comes to rest. If T is the total time elapsed, the maximum velocity acquired by the car is

A car, starting from rest, accelerates at the rate f through a distance s, then continues at constant speed for time t and then decelerates at the rate f/ 2 to come to rest. If the total distance travelled is 15 s, then

A particle starts from rest, accelerates at $2 \frac{m}{s^{2}}$ for 10 s and then goes for constant speed for 30 s and then decelerates at $4 \frac{m}{s^{2}}$ till it stops. What is the distance travelled by it?

A car accelerates from rest at a constant rate of $2 m s^{- 2}$ for some time. The it retatds at a constant rate of $4 m s^{- 2}$ and comes to rest. It remains in motion for $6 s$ .

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ANURAG MISHRA-DESCRIPTION OF MOTION-Example

An experimental car in fig (a) starts from rest and travels along a straight track such that it accelerates at a constant rate for 10 s and then decelerates at a constant rate draw the v-t and s-t graphs and determine the time t' needed to stop the car. how far has the car travelled.?

Related Playlists

Knowledge Check

A car accelerates from rest at a constant rate for some time after which it decelerates at a constant rate β to come to rest. If the total time elapsed is t, the maximum velocity acquired by the car is given by :

A car accelerates from rest at a constant rate α for sometime , after which it decelerates at a constant rate β and comes to rest. If T is the total time elapsed, the maximum velocity acquired by the car is

A car, starting from rest, accelerates at the rate f through a distance s, then continues at constant speed for time t and then decelerates at the rate f/ 2 to come to rest. If the total distance travelled is 15 s, then

A particle starts from rest, accelerates at 2ms2 for 10 s and then goes for constant speed for 30 s and then decelerates at 4ms2 till it stops. What is the distance travelled by it?

A car accelerates from rest at a constant rate of 2ms−2 for some time. The it retatds at a constant rate of 4ms−2 and comes to rest. It remains in motion for 6s.

Similar Questions

ANURAG MISHRA-DESCRIPTION OF MOTION-Example

A car accelerates from rest at a constant rate for some time after which it decelerates at a constant rate $β$ to come to rest. If the total time elapsed is t, the maximum velocity acquired by the car is given by :

A car accelerates from rest at a constant rate $α$ for sometime , after which it decelerates at a constant rate $β$ and comes to rest. If T is the total time elapsed, the maximum velocity acquired by the car is

A particle starts from rest, accelerates at $2 \frac{m}{s^{2}}$ for 10 s and then goes for constant speed for 30 s and then decelerates at $4 \frac{m}{s^{2}}$ till it stops. What is the distance travelled by it?

A car accelerates from rest at a constant rate of $2 m s^{- 2}$ for some time. The it retatds at a constant rate of $4 m s^{- 2}$ and comes to rest. It remains in motion for $6 s$ .