A Car Initially At Rest Accelerates At 10 M/s2 – Physics 1) A car initially at rest at a traffic light accelerates at 3m/s when the light turns green. After 4 seconds, the position of the car (in m) is: A) 24 B) 16 C) 8 D) 12 E) 6 2) A ball is thrown from a window 60m ahoun ground (in
1) A car initially at rest at a traffic light accelerates at 3m/s’ when the light turns green. After 4 seconds, the position of the car (in m) is: A) 24 B) 16 C) 8 D) 12 E) 6 2) A ball is thrown from a window 60m ahoun ground (in
A Car Initially At Rest Accelerates At 10 M/s2
Transcribed text of the picture:14 15 16 17 1) A car initially at rest at a traffic light accelerates at 3 m/s when the light turns green. After 4 seconds, the position of the car (in m) is: A) 24 B) 16 C) 8 2) A ball is thrown from a window 60 m above the ground. The speed of the ball when it hits the ground (in m/s) is: D) 12 E) 6 A) 34.3 В) 24.3 C) 19.6 D) 14.3 3) The ball is hit from ground level with a speed which is 16 m /s at an angle of 30° in the horizontal direction. When will it increase (in s)? E) 8.3 A) 0.82 B) 1.63 C) 1.28 D) 1.02 E) 1.84 4) Two vectors, A= 2x+3y and B= 4x-8y. The magnitude of A+B is: A) 4.3 B) 5.1 C) 7.8 D) 6.4 E) 9.2 5) An ice hockey player hits a 170 g puck with his stick, accelerating it along the ice from rest to a speed of 20 m. / s at a distance of 40 cm. What force should he exert (in N)? (Assume constant acceleration and no friction) A) 48 B) 72 С) 85 D) 96 E) 57 6) An 80 kg box resting on the floor has a coefficient of static friction of 0.5. A boy approached the box and leaned against it horizontally. The maximum force the boy can exert before the box starts sliding (at N) is: C) 549 D) 332 E) 392 A) 618 B) 425 7) From the figure below, the rotations due to F1 and F2 at the connection with point p (in N.m) are: 4m- 2m- F1=6N F-8N/30 E) 0 D) 10.1 C) – 11.2 В) 11.2 A) 12.4
Using Newton’s Laws To Weed Out Bogus Car Crash Claims
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