Asked by Brandon
A 5.0 104 kg space probe is traveling at a speed of 11000 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 4.5 105 N over a distance of 2600 km. What is the final speed of the probe?
Answers
Answered by
Damon
calculate initial Kinetic energy
Ke = (1/2) m v^2 Joules
calculate work done by force
W = 4.5 *10^5 * 2600 * 10^3 Joules
New Ke = original Ke - W
1/2) m Vfinal^2 = New Ke
Ke = (1/2) m v^2 Joules
calculate work done by force
W = 4.5 *10^5 * 2600 * 10^3 Joules
New Ke = original Ke - W
1/2) m Vfinal^2 = New Ke
Answered by
Brandon
I continue to plug in 1.855 x 10^12 as the answer into my online hw and it rejected the answer. Is that correct?
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