Physics-
General
Easy
Question
The maximum speed of a car on a road-turn of radius 
, if the coefficient of friction between the tyres and the road is 0.4, will be
The correct answer is:
Related Questions to study
Physics-
Three particles A, B and C are projected from the same point with the same initial speeds making angles
, 
and 
respectively with the horizontally. Which of the following statements is correct?
Three particles A, B and C are projected from the same point with the same initial speeds making angles, and respectively with the horizontally. Which of the following statements is correct?
Physics-General
Physics-
An electric fan has blades of length 30 cm as measured from the axis of rotation. If the fan is rotating at 1200 rpm, the acceleration of a point on the tip of the blade is about
An electric fan has blades of length 30 cm as measured from the axis of rotation. If the fan is rotating at 1200 rpm, the acceleration of a point on the tip of the blade is about
Physics-General
Physics-
A plumb line is suspended from a ceiling of a car moving with horizontal acceleration of
. What will be the angle of inclination with vertical?
A plumb line is suspended from a ceiling of a car moving with horizontal acceleration of. What will be the angle of inclination with vertical?
Physics-General
Physics-
A ball is projected upwards from the top of tower with a velocity 
making an angle with the horizontal. The height of tower is 
. After how many seconds from the instant of throwing will the ball reach the ground
A ball is projected upwards from the top of tower with a velocity making an angle with the horizontal. The height of tower is . After how many seconds from the instant of throwing will the ball reach the ground
Physics-General
Physics-
A particle starts from the origin of coordinates at time 
and moves in the 
plane with a constant acceleration 
in the 
-diretion. Its equation of motion is 
. Its velocity component in the 
-direction is
A particle starts from the origin of coordinates at time and moves in the plane with a constant acceleration in the -diretion. Its equation of motion is . Its velocity component in the -direction is
Physics-General
Physics-
An object is projected at an angle of with the horizontal. The horizontal range and the maximum height reached will be in the ratio
An object is projected at an angle of with the horizontal. The horizontal range and the maximum height reached will be in the ratio
Physics-General
Physics-
For a given velocity, a projectile has the same range 
for two angles of projection if 
and 
are the times of flight in the two cases then
For a given velocity, a projectile has the same range for two angles of projection if and are the times of flight in the two cases then
Physics-General
Physics-
A car runs at a constant speed on a circular track of radius 100
taking 62.8 
for every circular loop. The average velocity and average speed for each circular loop respectively is
A car runs at a constant speed on a circular track of radius 100 taking 62.8 for every circular loop. The average velocity and average speed for each circular loop respectively is
Physics-General
Physics-
Given that 
and 
are greater than 1. The magnitude of 
can not be
Given that and are greater than 1. The magnitude of can not be
Physics-General
Physics-
A body of mass 
is projected under gravity with a speed of 
at an angle of with the horizontal. The change in momentum (in magnitude) of the body is
A body of mass is projected under gravity with a speed of at an angle of with the horizontal. The change in momentum (in magnitude) of the body is
Physics-General
General
Solution of 
is x
Solution of is x
GeneralGeneral
Physics-
A particle comes round a circle of radius 
once. The time taken by it is 
The average velocity of motion is
A particle comes round a circle of radius once. The time taken by it is The average velocity of motion is
Physics-General
Physics-
After one second the velocity of a projectile makes an angle of with the horizontal. After another one second it is travelling horizontally. The magnitude of its initial velocity and angle of projection are 
After one second the velocity of a projectile makes an angle of with the horizontal. After another one second it is travelling horizontally. The magnitude of its initial velocity and angle of projection are
Physics-General
Physics-
Toy cart tied to the end of an unstretched string of length , when revolved moves in a horizontal circle of radius 
with a time period 
. Now the toy cart is speeded up until it moves in a horizontal circle of radius 
with a period 
. If Hook’s law holds then
Toy cart tied to the end of an unstretched string of length , when revolved moves in a horizontal circle of radius with a time period . Now the toy cart is speeded up until it moves in a horizontal circle of radius with a period . If Hook’s law holds then
Physics-General
Physics-
A heavy small sized sphere is suspended by a string of length 
. The sphere is rotated uniformly in a horizontal circle with the string making an angle 
with the vertical. The time period of this conical pendulum is
A heavy small sized sphere is suspended by a string of length . The sphere is rotated uniformly in a horizontal circle with the string making an angle with the vertical. The time period of this conical pendulum is
Physics-General
