What is her maximum speed?   2. How far did she travel as she accelerated?   3. How long does she take to complete the entire race?

1. What is the speed of the car for the first 2 second? 2. What is happening to the car from 4 to 6 seconds? 3. True or False: the car is accelerating from 2 to 4 seconds?

3. A car accelerates for one minute from rest to the speed of 100 m/s. If acceleration is assumed to be constant, what is the acceleration of the car in m/s^2 at 20 seconds from the time it started to move? * a. 1.7 m/s^2 b. 5 m/s^2 c. 50 m/s^2 d. 100 m/s^2 e. None of the above

2. A jet plane has a takeoff speed of vtakeoff = 73 m/s and can move along the runway at an average acceleration of 2.4 m/s2. The runway is 1.2 km. Write out the 3 Kinetic equations. a. b. Write out the values of initial position, initial velocity, and acceleration. How many seconds will it take for the plane to reach takeoff speed? с. d. How far will the plane have to travel to get to takeoff speed? will the plane be able to get to take off before it gets to the end of the runway? е.

4. Angel starts to move from point O and travels in a straight line with v=2t cm/s and t is the time in seconds after leaving O. The particle comes to rest at P. Calculate a. The value of t at P b. The acceleration at P c. The distance from O to P 5. A body projected upward from the level ground at an angle of 50° with the horizontal has an initial speed of 4 m/s. (. a. How long will it take to hit the ground? b. How far from the starting point will it strike? c. At what angle with the horizontal will it strike? DYNAMICS 1. What weight W is necessary to start the system of blocks shown in Figure moving to the right? The coefficient of friction is 0.10 and the pulleys are assumed to be frictionless. What are the amount and direction of the frictions (Justify your answer 40 kN 60 kN w 20° 4. The blocks are separated by a solid strut which is attached to the blocks with frictionless pins. If the coefficient of friction for all surfaces is 0.20, a. determine the value of horizontal force P…

1. A rocket has an initial displacement of 1867 meters from the launchpad. It is moving with a velocity of 26 meters per second^2. What is it's displacement and velocity at t=200 seconds? 2. If this rocket has a jerk of 1 meter per second^3, then what is it's displacement at t=200 seconds? 3. If the rocket were traveling at an elevation angle (i.e., 0 degrees is horizontal and 90 degrees is vertical) of 30 degrees, then what is its horizontal displacement and its vertical displacement in meters?

a.  What is the maximum speed in meters/second? b.  At t = 1, the particle is (moving to the)  (right/left/stopped) c.  What time intervals is the particle's acceleration negative?    < t <     and     < t <    d.  At t = 6, the particle is (moving to the) (right/left/stopped) e.  At t = 1.5, the particle is  (speeding up/slowing down) f.  At t = 5.5, the particle is (speeding up/slowing down)

1. An object travels in an unchanging and constant velocity at a given time a ? a. Non uniformly accelerated motion b. Uniformly accelerated motion С. Constant acceleration d. Constant velocity 2. In solving a uniformly accelerated motion, which quantity may not be included? a. Velocity b. Time С. Distance d. Volume 3. In a free-falling object, the object is acted by the gravity. What is the approximate equivalent of it? а. 8.9 m/s2 b. 8.8 m/s2 c. 9.8 m/s2 d. 9.98 m/s2 4. An object that has both horizontal and vertical motion is called а. Curve b. Impulse С. Momentum d. Projectile 5. What is the velocity of an object when it reached the maximum height? a. Om/sec b. Negative С. Positive d. 1 m/sec