As a demonstration of the gravitational force on falling objects for D class, he drops a 15 lb. watermelon from the top of the science building. Determine velocity of the watermelon after falling for 2.0 seconds assuming it has reach free fall and given the
gravitational acceleration of 9.8 m²/sec.
-0)
A)
4.9 m/sec
B)
19 m/sec
38 m/sec
D)
76 m/sec
Aw

Sara is creating an experiment. her hypothesis states the following. if i increase the air in my tires, then i will get better gas mileage. if this is her hypothesis what column titles do we need in our date table? a. air pressure in tire (psi) and gas mileage (mph) b. air pressure in the atmosphere (psi) and gas mileage (mph) c. miles (m) and gallons per mile (g) d. old battery and new battery

An electric clothes dryer has a resistance of 8 ohms. it draws 30 a of current. what is the voltage, in volts, of the wall outlet that it is plugged into?

Suppose a soccer ball is kicked from the ground at an angle 20.0º above the horizontal at 8.00 m/s. the y-velocity is determined to be 2.74 m/s. how long will the ball be in the air? assume the ball lands at the same height at which it was kicked.