A 4.00 104 kg space probe is traveling at a speed of 10000 m/s through deep space. Retrorockets are fired along the line of motion to reduce the probe's speed. The retrorockets generate a force of 4.00 105 N over a distance of 2400 km. What is the final speed of the probe?'

Question

A 4.00  104 kg space probe is traveling at a speed of 10000 m/s through deep space. Retrorockets are fired along the line of motion to reduce the probe's speed. The retrorockets generate a force of 4.00  105 N over a distance of 2400 km. What is the final speed of the probe?'

anonymous · Answer

Hmm.. do you remember newtons laws of motion? Do you understand them?

mos1635 · Answer

try to aplay energy-work theorem
mind your signs
+ or -