Solve the following
please for HW. Will be checked in class tomorrow. Will also do a supply check at the same time. Keep in mind that these are all
closed systems! All weights should be converted to Kg and all speeds or velocities should be in m/s.
1. Find the velocity of a 0.2kg grasshopper
after it has been hit by a 2.8kg tennis racquet travelling at 82m/s:
2. A 3500lb Ferrari travelling at 200km/hr hits
a log and flies off at 46km/hr. What is
the mass of the log?
3. Max J gets hit in the head by an 11kg
baseball bat swung at 41m/s. If his head
rebounds at 8mi/hr what was the mass of his head?
4. Piper was texting with her 0.09kg phone in
the back of a pickup truck that was going 56mph (in a 35mph zone L) . Her phone
struck a 0.007kg ladybug that was hovering in air and all of the phone energy
was transferred to the ladybug. At what
velocity did it fly off the phone?
