A meteor whose mass was about 10^8 kg struck the Earth (m = 6.0 X10^24 kg) with a speed of about 11 km/s and came to rest in the Earth.
(a) What was the Earth's recoil speed? (m/s)
(b) What fraction of the meteor's kinetic energy was transformed to kinetic energy of the Earth? (%)
(c) By...
A jet aircraft is climbing at an angle of 43° above the horizontal and is also accelerating at 4.9 m/s2. What is the total force that the cockpit seat exerts on the 65 kg pilot?(Magnitude & Direction ° above the direction of motion of the plane)
This is what I have so far:
F=ma=65*4.9=318.5...