It takes Andy 0.50 seconds to lift a 98-newton box from the floor and place it on the table. If he expends a constant power of 137 watts during this time, what is the height of the table?

Question

shamim · Answer

required formula will b$$P=\frac{ W }{ t }$$

shamim · Answer

$$P=\frac{ Fh }{ t }$$

shamim · Answer

$$137=\frac{ 98h }{ 0.5 }$$

shamim · Answer

did u get it

shamim · Answer

medal?

anonymous · Answer

answer choices are .69, .89, 1.12, and 2.50.. im still trying to figure it out

shamim · Answer

0.69m

shamim · Answer

$$h=\frac{ 137 \times 0.5 }{ 98 }=0.69m$$

anonymous · Answer

Thank you! that was the answer..

anonymous · Answer

When a power of 310 watts is applied to it, a pulley lifts box A one meter. The same pulley is used to lift box B. When the same amount of power is applied to box B, it is raised two meters. What can you say about the mass of the two boxes?