subject
Physics, 02.09.2020 14:01 cearacrank

A boy wishes to make a catapults out of
a rubber band of width 9mm and thickness 1.55mm. Determine the length of the band
he must use so that when the stretches it by 0.25
of its natural length and releases it, the velocity of the pebble of mass 0.0006kg is
30ms - Take the youngs modulus of the rubber
to be 4x10000000nm-2

ansver
Answers: 3

Another question on Physics

question
Physics, 21.06.2019 19:30
Describe the path of a ray that approaches a mirror parallel to the principal axis.
Answers: 2
question
Physics, 22.06.2019 01:50
Arod of some material 0.20 m long elongates 0.20 mm on heating from 21 to 120°c. determine the value of the linear coefficient of thermal expansion [in (degrees c)^-1] for this material.
Answers: 2
question
Physics, 22.06.2019 05:00
Aperson stands on a platform, initially at rest, that can rotate freely without friction. the moment of inertia of the person plus the platform is ip. the person holds a spinning bicycle wheel with its axis horizontal. the wheel has moment of inertia iw and angular velocity ωw. take the ωw direction counterclockwise when viewed from above. part a what will be the angular velocity ωp of the platform if the person moves the axis of the wheel so that it points vertically upward?
Answers: 1
question
Physics, 22.06.2019 05:30
Debbie places two shopping carts in a cart corral she pushes the first cart which then pushes a second cart what force is being exerted
Answers: 1
You know the right answer?
A boy wishes to make a catapults out of
a rubber band of width 9mm and thickness 1.55mm. Deter...
Questions
question
Mathematics, 27.02.2021 01:00
question
Mathematics, 27.02.2021 01:00
question
Advanced Placement (AP), 27.02.2021 01:00
question
English, 27.02.2021 01:00
Questions on the website: 13722361