An object of mass 3 kg is at rest

Asked by admin @ 12/08/2021 in Physics viewed by 299 People

An object of mass 3kg is at rest. now a force F=6t^2i^+4tj^ is applied on the object then velocity of the object at t=3sec will be?

Answered by admin @ 12/08/2021

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An object of mass 5 kg falls from rest

Asked by admin @ 17/08/2021 in Physics viewed by 283 persons

An objecte of mass 5 kg falls from rest through a vertical distance of 20 m and reaches velocity 10 m/s. How much work is done by push of air …

A solid sphere of mass 2 kg is resting

Asked by admin @ 23/08/2021 in Physics viewed by 303 persons

A solid sphere of mass 2 kg is resting inside a cube as shown in the figure. The cube is moving with a velocity v = . Here t is …

A solid cylinder of mass 3 kg is rolling

Asked by admin @ 20/08/2021 in Physics viewed by 473 persons

A solid cylinder of mass 3kg is rolling on a horizontal surface with velocity 4ms-1 .it collides with a horizontal Spring of force constant 200 Nm-1. The maximum compression produced …

A 20 kg block is initially at rest

Asked by admin @ 31/08/2021 in Science viewed by 279 persons

20 kg block is initially at rest on a rough horizontal surface. A horizontal force of 75 N is required to set the block in motion. After it is in …

If you increase the mass on an object its acceleration

Asked by admin @ 27/11/2021 in Physics viewed by 259 persons

If you increase the mass of an object, but keep the force on it constant, its acceleration decreases?

Three different objects of masses m1 m2 and m3

Asked by admin @ 20/08/2021 in Physics viewed by 295 persons

three different object of masses m1,m2 and m3 are allowed to fall from same point O along three different frictionless paths. the speed of three objects on reaching the ground …

A spherical ball of mass 20 kg is stationary

Asked by admin @ 17/08/2021 in Physics viewed by 299 persons

A spherical ball of mass 20kg is stationary at the top of a hill of height 100m.It rolls down a smooth surface to the ground and then climbs up another …

A constant force acts on an object of mass 5kg

Asked by admin @ 02/08/2021 in Physics viewed by 314 persons

a constant force acts on an object of mass 5 kg for the duration of 2 sec. it increases the velocity from 3m/s to 7m/s. find the magnitude of the …

Uncertainty of mass in kg

Asked by maham237 @ 12/01/2021 in Physics viewed by 318 persons

Suppose that your bathroom scale reads your mass as 65 kg with a 3% uncertainty. what is the uncertainty in your mass (in kilograms)?

Assuming the mass of an average cell is ten times the mass of a bacterium (which is 10-15 kg):

Asked by maham237 @ 26/12/2020 in Biology viewed by 428 persons

(a) Calculate the number of cells in a hummingbird assuming the mass of an average cell is ten times the mass of a bacterium. (b) Making the same assumption, how …

A shell of mass 20 kg at rest explodes

Asked by admin @ 17/08/2021 in Physics viewed by 386 persons

3. A shell of mass 20 kg at rest explodes into twofragments whose masses are in the ratio 2 : 3.The smaller fragment moves with a velocity of …

A body of mass 1 kg initially at rest

Asked by admin @ 17/08/2021 in Physics viewed by 308 persons

A body of mass 1 kg initially at rest explodes and breaks into three fragments of masses in the ratio of 1:1:3. The two pieces of equal mass fly off …