A cannon launches a
3.0
kg
3.0kg3, point, 0, start text, k, g,...
Physics, 16.04.2020 02:10 orcawave9408
A cannon launches a
3.0
kg
3.0kg3, point, 0, start text, k, g, end text pumpkin with
110
J
110J110, start text, J, end text of kinetic energy.
Answers: 2
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Which quantities are scalars? choose all that apply a.distance b.speed c. acceleration d.velocity
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If we relied solely on the nonrenewable resources found in the u.s., which one would we run out of first at current usage levels? a. natural gas b. oil c. uranium d. coal
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As part of your daily workout, you lie on your back and push with your feet against a platform attached to two stiff springs arranged side by side so that they are parallel to each other. when you push the platform, you compress the springs. you do an amount of work of 79.0 j when you compress the springs a distance of 0.230 m from their uncompressed length. (a) what magnitude of force must you apply to hold the platform in this position? (b)how much additional work must you do to move the platform a distance 0.230 m farther? (c) what maximum force must you apply to move the platform a distance 0.230 m farther?
Answers: 1
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Aweight lifter raises a 1600 n barbell to a height of 2.0 meters. how much work was done? w = fd a) 30 joules b) 3000 joules c) 320 joules d) 3200 joules
Answers: 2
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