A 2.45 * 104 N truck traveling in the +x-direction makes an emergency stop; the x-component of the net external force acting on it is -1.83 * 104 N. What is its acceleration?
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A 2.45 * 104 N truck traveling in the +x-direction makes an emergency
stop; the x-component of the net external force acting on it is
-1.83 * 104 N. What is its acceleration?
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- Current Attempt in Progress Review Conceptual Example 16 as background for this problem. The water skier there has a mass of 79.0 kg. Find the magnitude of the net force acting on the skier when (a) she is accelerated from rest to a speed of 11.0 m/s in 7.20s and (b) she lets go of the tow rope and glides to a halt in 22.0 s. (a) Number i (b) Number Units UnitsA 958-kg car starts from rest on a horizontal roadway and accelerates eastward for 5.00 s when it reaches a speed of 35.0 m/s. What is the average force exerted on the car during this time? kN eastwardA person catches a ball with a mass of 145 g dropped from a height of 60.0 m above his glove. His hand stops the ball in 0.0100 s. What is the force exerted by his glove on the ball? Assume the ball slows down with constant acceleration.
- A 3.196E+3-kg Chevy Suburban on route 422 is stopped at the light in Annville heading eastbound. After the light turns green, the driver puts the pedal to the floor. The engine provides a monstrous 1.647E+4 N of forward force on the Suburban. The vehicle passes by the Allen Theatre at 11.3 m/s. Air resistance and friction contribute a 2.544E+3 N force that opposes the motion. Find out how far (in m) the suburban travels in the 3.80 s after it passes the Allen Theatre.A 3.00-kg block starts from rest at the top of a 27.5° incline and slides 2.00 m down the incline in 1.30 s. (a) Find the acceleration of the block. m/s² (b) Find the coefficient of kinetic friction between the block and the incline. (c) Find the frictional force acting on the block. N (d) Find the speed of the block after it has slid 2.00 m. m/s– 3. A 64.3 kg skydiver jumps out of an airplane with a parachute. She decides not to pull the rip cord until she reaches terminal velocity. If the resistive force proportionality constant is 2.35 kg/s, what is the magnitude of the velocity when she decides to pull the cord? (Assume the drag force is proportional to the speed.) - a. 16.4 m/s b. 268 m/s c. 151 m/s d. 9.80 m/s e. 27.4 m/s
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