MULTIPLE CHOICE, Choose the one alternative that best completes the statement or

Question

MULTIPLE CHOICE, Choose the one alternative that best completes the statement or answers the question If a car increases its velocity from zero to 60 km/h in 10 seconds, its acceleration is 10 km/h/s. 600 km/h/s. 3 km/h/s. 6 km/h/s. 60 km/h/s. A jumbo jet has a mass of 100,000 kg, The thrust for each of its four engines is 50,000 N. What jet's acceleration in meters per second when taking off? 1 0.25 2 4 none of these A man leans over the edge of cliff and throws a rock upward at 4.9 m/s. Neglecting air one second later the rock's speed is 14.7 m/s. 4.9 m/s. 9.8 m/s. zero none of the above An archer shoots an arrow. Consider the action force to be the bowstring against the reaction to this force is the air resistance against the bow. combined weight of the arrow and bowstring. grip of the archer's hand on the bow. arrow's push against the bowstring. friction of the ground against the archer's feet. Hang from a pair of gym rings and the upward support forces of the rings will a add up to equal your weight. each be half your weight. each equal your weight.

Explanation / Answer

1) Option D, 6 km/h/s

2) Option E, None of these

3) Option B, 4,9 m/s

4) Option D (i'm not sure about this because i can't read the entirely enunciate.

5) I can't read it

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