1.
(15 mins
An arrow is fired directly horizontal off a cliff that is 10.0 meters tall with...
Physics, 01.09.2021 08:20 CJohnson9552
1.
(15 mins
An arrow is fired directly horizontal off a cliff that is 10.0 meters tall with a velocity of 65.5 m/s,
how long is the arrow in the air?
(a) 14 s
(b) 1.38 s (c) 1.43 s
2. Approximately how far will an object near Earth's surface fall in 3.0 s?
(a) 9.8 m (b) 44 m (c) 22 m
3. A bullet is fired at an angle of 45º. Neglecting air resistance, what is the direction of
acceleration during the flight of the bullet?
(a) At a 45° angle (b) upward
(d) downward
4.
In the absence of air resistance, the horizontal component of velocity for a projectile such as a
bullet is (a) variable (b) remain constant (c) change
5. The projectile follow (a) straight path (b) upward (c) curved path in the air.
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