1. The position of a particle moving on a straight line path is given by: metre Its acceleration at t = 5 5s is: (A) 9 ms (B) 12 ms (C) 18 ms (D) 45 ms 2. The motion of a body is given by the equation Where at time t is in ms and t is in seconds. If the body was at rest at t = 0, test the correctness of the following results are. The terminal speed is (A) 2 ms (B) 2 ms (C) 3 ms (D) 2 ms 3. The motion of a body is given by the equation Where at time t is in ms and t is in seconds. If the body was at rest at t = 0, test the correctness of the following results are. The magnitude of the initial acceleration is (A) 5 ms (B) 6 ms (C) 8 ms (D) 7 ms 4. The motion of a body is given by the equation Where at time t is in ms and t is in seconds. If the body was at rest at t = 0, test the correctness of the following results are. Then speed is? (A) (B) (C) (D) 5. The motion of a body is given by the equation Where at time t is in ms and t is in seconds. If the body was at rest at t = 0, test the correctness of the following results are. The speed varies i
s, when the acceleration is half the initial value. (A) u = 2 ms (B) u = 3 ms (C) u = 4 ms (D) u = 1 ms 6. A body thrown vertically upward with velocity 10 m/s then how many height traveled by body. (A) 5 m (B) 10 m (C) 15 m (D) 20 m 7. A driver applies brakes to the vehicle on seeing traffic signal 400 m ahead. At the time of applying the brakes vehicle was moving with 15 ms and then starts retarding with 0.3 ms . The distance of vehicle after 1 min from the traffic light: (A) 25m (B) 375m (C) 360m (D) 40m 8. Which of the following graph correctly represents velocity-time relationship for a particle released from rest to fall freely under gravity? 9. A point moves rectilinearly with deceleration whose modulus depends on the velocity v of the particle as where k is a constant, . At the initial moment the velocity of particle is v What time will it take to cover that distance? (A) (B) (C) (D) 10. A body starts from rest and acquires a velocity of 4 ms during a displacement of magnitude 4m. Its acceleration is: (A) 0.5 ms (B) 1 ms (C) 2 ms (D) 4 ms