A plastic ball falling from a height of 4.9m


Asked by admin @ in Physics viewed by 307 People


A plastic ball falling from a height 4.9m

rebounds number of times. If total time forsecond collision is 2.4 sec, then coefficient ofrestitution is0.3/0.4/0.7/0.6​

Answered by admin @



Explanation:

A plastic ball falling from a height 4.9m rebounds number of times. If total time for second collision is 2.4sec, then coefficient of restitution is. Solution : T=t+2t1=√2hg[1+2e] since tn=en′


Similar Questions

A ball falls freely from a height of 45m

Asked by admin @ in Physics viewed by 419 persons

A ball falls freely from a height of 45 m. When the ball is at a<br />height of 25 mit explodes into two equal pieces. One of them<br />moves horizontally …

A ball is dropped from a height of 10 m

Asked by maham237 @ in Mathematics viewed by 314 persons

Each time it bounces, it reaches 50 percent of its previous height. The total vertical distance the ball has traveled when it hits the ground the fifth time is ______ …

A spherical ball of mass m and radius r

Asked by admin @ in Physics viewed by 302 persons

A spherical ball of mass m and radius r rolls without slipping on a rough concave surface of large radius R. It makes small oscillation about the lowest point. Find …

A person's eye is at height of 1.5 m

Asked by admin @ in Physics viewed by 305 persons

A persons eye is a height of 1.5 m . He stands in front of a 0.3m long plane mirror which is 0.8m above the ground. The length of the …

A steel ball of mass 0.1 kg falls freely

Asked by admin @ in Physics viewed by 311 persons

A steel ball of mass 0.1 kg falls freely from a height of 10m and bounces back to a height of 5.4m from ground. If the dissipated energy in this …

A body falling from a height of 10m rebounds

Asked by admin @ in Science viewed by 269 persons

A body falling from a height of 10m rebounds from hard floor . if it losses 20%energy in the imapct, then coefficient of restitutiion is

A ball of mass m moving with velocity v

Asked by admin @ in Physics viewed by 319 persons

A ball of mass m moving with velocity v collides head on with the second ball of mass m at rest. If the coefficient of restitution is e and velocity …

From the top of a tower 100 m in height

Asked by admin @ in Chemistry viewed by 299 persons

From the top of a tower 100 m in height a ball is dropped and at the same instant another ball is projected vertically upwards from the ground so that …

1.75 m to height

Asked by maham237 @ in Mathematics viewed by 1329 persons

George's height is 1.75 meters and Martha's height is 160 centimeters. How much taller is George than Martha in millimeters?

A ball falling through the air has?

Asked by maham237 @ in Physics viewed by 372 persons

A ball falling through the air has ___________. (The ground is the zero reference point) Question 19 options: both potential and kinetic energy only kinetic energy only potential energy neither …

A ball falling through the air has

Asked by maham237 @ in Biology viewed by 286 persons

A ball falling through the air has ___. (A) both kinetic energy because it still has a distance to move before it hits the ground and potential energy because it …

A plastic box 1.5 m long 1.25 m wide

Asked by admin @ in Math viewed by 283 persons

A plastic box 1.5 m long, 1.25 m wide and 65 cm deep is to be made. It is opened at the top. Ignoring the thickness of the plastic sheet, …

A ball is dropped from a height of 12m

Asked by admin @ in Physics viewed by 330 persons

a ball is dropped from rest at a height of 12m.if it loses 25% of kinetic energy on striking the ground, what is the height to which it bounces?

A ball is dropped from a height of 20cm

Asked by admin @ in Physics viewed by 317 persons

a ball is dropped from a height of 20 cm. Ball rebounds to a height of 10 cm. Ball rebounds to a height of 10 cm. what is the loss …

A ball is dropped from a height of 5m

Asked by admin @ in Physics viewed by 290 persons

A ball is dropped from a height of 5m onto a sandy floor and penetrates the sand up to 10cm before coming to rest. Find the retardation of the ball …

Most viewed questions in Physics


Jeevandeep health and physical education std 10 answers pdf

Asked by admin @ in Physics viewed by 11065 persons


Hc verma physics class 9 solutions of describing motion

Asked by admin @ in Physics viewed by 2664 persons


How to leave nightmare land answer key

Asked by maham237 @ in Physics viewed by 1591 persons



Base area and stability of some objects with different shapes

Asked by admin @ in Physics viewed by 1525 persons


Which of the following statements about safe lifting are correct

Asked by admin @ in Physics viewed by 1512 persons


Porous water-absorbing mass of fibers

Asked by wiki @ in Physics viewed by 1491 persons



Absorption of water by filter paper is due to

Asked by admin @ in Physics viewed by 1432 persons


A composite wire of uniform diameter 3mm

Asked by admin @ in Physics viewed by 1399 persons


At a distance l 400m from the traffic light

Asked by admin @ in Physics viewed by 1320 persons



A rocket of mass m is launched straight up with thrust f⃗ thrust.

Asked by maham237 @ in Physics viewed by 1311 persons


Mind map for light reflection and refraction class 10

Asked by admin @ in Physics viewed by 1142 persons



A thief runs at a speed of 10m s

Asked by admin @ in Physics viewed by 1095 persons


A 5.8 x 10 4 watt elevator motor can lift

Asked by maham237 @ in Physics viewed by 1077 persons