An outfielder throws a 0.150-kg baseball at a speed of 44.0 m/s and an initial angle of 30.0°. What is the kinetic energy of the ball at the highest point of its motion?
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An outfielder throws a 0.150-kg baseball at a speed of 44.0 m/s and an initial angle of 30.0°. What is the kinetic energy of the ball at the highest point of its motion?
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- A 6.30-kg object is initially moving so that its x-component of velocity is 6.00 m/s and y-component of velocity is -1.60 m/s. (a) What is the kinetic energy of the object at this time? (b) Find the change in kinetic energy of the object it its velocity changes so that its new x-component is 8.50 m/s and its new y-component is 5.00 m/s.An 11 kg object is flying at speed 4c/5. Calculate its kinetic energy, in units of kg c2.A 0.60-kg block initially at rest on a frictionless, horizontal surface is acted upon by a force of 5.0 N for a distance of 5.0 m. How much farther would the force have to act for the block to have 64 J of kinetic energy?
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- 1. A baseball outfielder throws a 0.15-kg baseball at a speed of 40 m/s and an initial angle of 30°. (a) What is the maximum height of the baseball? (b) What is the kinetic energy of the baseball at the highest point of the trajectory? (c) What is the potential energy of the baseball at the highest point of the trajectory?What is the kinetic energy of a 146.7 g baseball thrown at 49.8 m/s at a height of 114 m?Use g=9.8A fielder tosses a 0.15 kg baseball at 36 m/s at a 27 degree angle to the horizontal. What is the ball's kinetic energy at the start of its motion? What is the kinetic energy at the highest point of its arc?