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A force shown in the F-x graph is applied to a 2kg block horizontal as shown in figure. The change in kinetic energy is
23
Aug
A force shown in the F-x graph is applied to a 2kg block horizontal as shown in figure. The change in kinetic energy is A force shown in the F-x graph is applied to a 2kg block horizontal as shown in figure. The change in kinetic energy is August 23, 2020 Category: Uncategorised (JEE Advanced [...]
A car covers the first half the distance between two places at 40 km/h another half at 60 km/h, the average speed of car is
23
Aug
A car covers the first half the distance between two places at 40 km/h another half at 60 km/h, the average speed of car is A car covers the first half the distance between two places at 40 km/h another half at 60 km/h the average speed of car is August 23, 2020 Category: Chapter [...]
A projectile is fired with some velocity making certain angle with the horizontal. Which of the following graphs is the best representation for the kinetic energy of a projectile (KE) versus its horizontal displacement(x)?
23
Aug
A projectile is fired with some velocity making certain angle with the horizontal. Which of the following graphs is the best representation for the kinetic energy of a projectile (KE) versus its horizontal displacement(x)? A particle of mass m slides on a frictionless surface ABCD starting from rest as shown in Figure. The part BCD [...]
A body dropped from top of a tower falls through 40 m during the last two seconds of its fall. The height of tower in m is ( g= 10 m/s^2
23
Aug
A body dropped from top of a tower falls through 40 m during the last two seconds of its fall. The height of tower in m is ( g= 10 m/s^2 A body dropped from top of a tower falls through 40 m during the last two seconds of its fall. The height of tower [...]
A particle of mass m slides on a frictionless surface ABCD, starting from rest as shown in Figure. The part BCD is a circular arc. If it loses contact at point P, the maximum height attained by the particle from point C is :
23
Aug
A particle of mass m slides on a frictionless surface ABCD, starting from rest as shown in Figure. The part BCD is a circular arc. If it loses contact at point P, the maximum height attained by the particle from point C is : A particle of mass m slides on a frictionless surface ABCD [...]
A car moves a distance of 200 m. It covers the first half of the distance at speed 40 km/h and the second half of the distance at speed v. If the average speed is 48 km/h, then the value of v is-
23
Aug
A car moves a distance of 200 m. It covers the first half of the distance at speed 40 km/h and the second half of the distance at speed v. If the average speed is 48 km/h, then the value of v is- A car moves a distance of 200 m. It covers the first [...]
A bus travelling the first one third distance at a speed of 10 km/h, the next one third at20 km/h and the last one third at 60km/h. The average speed of the bus is
23
Aug
A bus travelling the first one third distance at a speed of 10 km/h, the next one third at20 km/h and the last one third at 60km/h. The average speed of the bus is A bus travelling the first one third distance at a speed of 10 km/h the next one third at20 km/h and [...]
The kinetic energy acquired by a mass m travelling distance d, starting from rest, under the action of a constant force is directly proportional to:
23
Aug
The kinetic energy acquired by a mass m travelling distance d, starting from rest, under the action of a constant force is directly proportional to: starting from rest The kinetic energy acquired by a mass m travelling distance d under the action of a constant force is directly proportional to: August 23, 2020 Category: Uncategorised [...]
Which of the following curves does not represent motion in one dimension ?
23
Aug
Which of the following curves does not represent motion in one dimension ? Which of the following curves does not represent motion in one dimension ? August 23, 2020 Category: Chapter 2 - Vectors , Chapter 3 - Motion in a Straight Line , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry [...]
A machine delivers power to a body which is proportional to velocity of the body. If the body starts with a velocity which is almost negligible, then the distance covered by the body is proportional to
23
Aug
A machine delivers power to a body which is proportional to velocity of the body. If the body starts with a velocity which is almost negligible, then the distance covered by the body is proportional to A machine delivers power to a body which is proportional to velocity of the body. If the body starts [...]