1. A car travels 85 km from Town A to Town B, then 45 km from Town B to Town C.
The total trip took 1.5 hours. What was the car's average speed?
A 131.5 km/h
B 2 km/h
C 65 km/h
D 87 km/h

Acatapult is tested by roman legionnaires. they tabulate the results in a papyrus and 2000 years later the archaeological team reads (distances translated into modern units): range = 0.4 km; angle of launch = π/5 rad; landing height = launch height. what is the initial velocity of launch of the boulders if air resistance is negligible?

Curious carl calculated the density of a cube to be 4.50 g/cm3. what is the density of the cube in g/l?

According to newton's second law, when the same force is applied to two objects of different masses, a the object with greater mass will experience a great acceleration, and the object with less mass will experience an even greater acceleration, b. the object with greater mass will experience a smaller acceleration, and the object with less mass will experience a greater acceleration, c. the object with greater mass will experience a greater acceleration, and the object with less mass will experience a smaller acceleration, d. the object with greater mass will experience a small acceleration, and the object with less mass will experience an even smaller acceleration.