A car travelling at a speed of 30 km/hour is brought to a halt in 8 m by applying brakes. If the same car is travelling at 60 km/hour, it can be broug

Question

A car travelling at a speed of 30 km/hour is brought to a halt in 8 m by applying brakes. If the same car is travelling at 60 km/hour, it can be broug

A car travelling at a speed of 30 km/hour is brought to a halt in 8 m by applying brakes. If the same car is travelling at 60 km/hour, it can be brought to a halt with the same braking force in
A. 8 m
B. 16 m
C. 24 m
D. 32 m

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

Related Questions

A motor car is travelling 20m/s on a circular road of radius 400 m. If it increases its speed at the rate of `1 m//s^(2)`, then its acceleration will

2 Answers 8 Views

A motor car is travelling at `30 m//s` on a circular track of radius 450 m . If its speed is increasing at the rate of `2m//s^(2)`, then its accelerat

2 Answers 4 Views

A car of mass 1000 kg moves on a circular path with constant speed of 16 m/s. It is turned by 90º after travelling 628 m on the road. The centripetal

2 Answers 4 Views

A car is moving with speed of ` 10 m//s ` in a concave road of radius 100 m .If the mass of the car is 700 kg, then the reaction on the car tyres when

2 Answers 5 Views

A car is travelling at 36 kmph on a road . The maximum turning radius of the car is 20 m ans `g=10m//s^(2)` .Then the coefficient of friction between

2 Answers 4 Views

The angular speed of a body changes from `omega_1` to `omega_2` without applying a torque but due to change in its moment of inertia. The ratio of rad

2 Answers 4 Views

A metal wire can be broken by applying a load of 45 kg wt. Then the force required to break the wire of twice the diameter and the same material is

2 Answers 7 Views

A wire can be broken by applying a load of 20kg wt. Then the force required to break the wire of twice the diameter and same length, same material, is

2 Answers 7 Views

6. Bus \( A \) and Bus B are moving on a road at a speed of \( 800 m / min \) and \( 200 cm / sec \), respectively. Express their speed in S.I. units and write its dimensional formula. Tell which bus is running faster. The driver of bus \( A \) applies brakes suddenly and the passengers get a jerk in the forward direction. Give reason for it and also, name and state the law of motion related to it.

2 Answers 5 Views

If John drives a car at a speed of 60 kms/hour he has to spend Rs 5 per km on petrol. If he drives at a faster speed of 90 kms/hour,

2 Answers 10 Views

Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - D
`s prop u^2` i.e. if speed becomes double then stopping distance will become four times i.e. 8 × 4 = 32 m

5 views Answered 2023-02-05 15:29