A cart is moving with a constant horizontal velocity of 5.00 m/s.
A small pebble is launched from the front of the cart with a velocity of 8.00 m/s at 60.0 above the horizontal as measured relative to the cart (see figure) and experiences no significant air resistance. Just as the pebble returns to the level from which it was launched, its distance from the front of the cart is closest to
A) 2.83 m.
B) 4.60 m.
C) 5.66 m.
D) 9.19 m.
E) 11.3 m.
Question 2
A small boat is moving at a velocity of when it is accelerated by a river current perpendicular to the initial direction of motion. If the acceleration of the current is 0.750 m/s2, what will be the new velocity of the boat after
A) 25.3 m/s at 82.4 from initial direction of motion
B) 25.3 m/s at 7.59 from initial direction of motion
C) 640.1 m/s at 82.4 from initial direction of motion
D) 640.1 m/s at 7.59 from initial direction of motion
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