If two swimmers compete in a race, does the faster swimmer develop more power?
Simon is riding a bike at 12 km/h away from his friend Keesha. He throws a ball at 5 km/h back to Keesha, who is standing still on the side walk. How fast would Keesha say the ball is traveling toward her?
A. 5 km/h
B. 7 km/h
C. 12 km/h
D. 17 km/h
A rock is thrown horizontally at a speed of 5 m/s front the top of a cliff 64.7 m high. The rock hits the ground 18 m from the base of the cliff. How would this distance change if the rock was thrown at 10 m/s?
The distance will be 36.0 m
If the rock was thrown at 10.0 m/s, the rock would land twice as far from the cliff as it did previously.
sample answer on edge 2020
What is responsible for the apparent motion of the Moon in the sky from East to West?
As a result, although the Moon is moving to the east relative to the stars, the much faster westward motion of the sky is carrying it to the west, so despite its eastward motion relative to the center of the Earth, it rises in the east and sets in the west, just like any other celestial body.
When work is done on an object, the object gains energy. true or false
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The element carbon (C) is most likely to form covalent bonds with the element beryllium (Be).
A mechanic uses a mechanical lift to raise a car. The car weighs 11,000 N. The lift raises the car 2.5 m. How much work is required to accomplish this task?
2.27 x 10-4 J
Acceleration involves a change in
Calculate the magnitude of the horizontal vector that is 100 units long and is oriented at 45 degrees