Mechanics | Relativity Answers

Explain any one activity with diagram to prove the law of inertia

A Metal ring is heated such that its area in m2 at any time t is given by A=3t2+pie
The rate of increase area at t=5 sec is

A ball is thrown vertically upward with a velocity 25meterspersecond on its weight down it was caught 5 meters above the ground find how fast it was travelling wh3n kt was caught and also find total time of the trip ?

A body is thrown vertically upward such that it crosses the same height after 2 sec. andafter 8 sec.
What is the value of the mentioned height?

A model rocket rises with constant acceleration to a height of 3.3m , at which point its speed is 28.0m/s .
a) What was the magnitude of the rocket's acceleration?
b) Find the height of the rocket 0.10s after launch
c) Find the speed of the rocket 0.10s after launch.

A body of mass m is thrown with velocity υ at angle of 300 to the horizontal and
another body B of the same mass is thrown with velocity υ at an angle of 600 to the
horizontal. Find the ratio of the horizontal range and maximum height of A and B?

Calculate the maximum horizontal distance travelled by a ball thrown with a velocity
Of 40m/s without hitting the ceiling of an auditorium of height 25m.

An electron of mass 9.1 x 10^-31 kilograms inside a special vacuum chamber at Caltech undergoes acceleration of 3 x 10^4 m/sec^2 caused by an electrostatic force. Determine the force applied to the electron.

in your everyday life you come across a range or motions in which
a) accelaration is in the direction of motion
b) accelaration is against the direction of motion
c) accelaration is uniform
d) accelaration is non uniform

A body is thrown vertically upward such that it crosses the same height after 2 seconds and after 8 seconds. What is the value of the mentioned height?