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Calculate the velocity needed for

I have a few basic physics problems.How do you calculate how long it will take for an object to hit the ground when it is
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2. asked by Emily
3. 459 views
A ball is thrown vertically with a velocity V0 from a building with height h, a second ball is dropped from the same building a
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2. asked by Aaron
3. 647 views
An aircraft shell is fired vertically upward with a muzzle velocity of 1000m/s, calculate the maximum height it can attain.
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2. asked by Camellia
3. 171 views
Two pjavascript:void(0)eople collide on a busy city street. What information is needed to calculate the force one of the people
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2. 29 views
Calculate the time needed for a net force of 5N to change the velocity of a 10kg mass by 2m
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2. asked by Navya
3. 1,773 views
a machine has a velocity of 6 and efficiency of 75% calculate the effort needed to raise a load of 90n
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2. asked by Aaron
3. 155 views
A machine has a velocity ratio of 6 and an efficiency of 75%. Calculate the effort needed to raise a load of 90N
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2. asked by Mojeed
3. 3,200 views
A machine has a velocity ratio of 6 and efficiency of 75% .calculate the effort needed to raise the load of 90
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2. asked by Zainab
3. 230 views
The velocity ratio of 6 and an efficiency of 75% calculate the effort needed to raise a load of 120N
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2. asked by GIBRILLA
3. 22 views
a machine has a velocity ratio of 6 and an efficiency of 75% calculate the effort needed to raise a load of 90N
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2. asked by utibe
3. 149 views