A ball is thrown from 1.30 m above the ground with initial speed of 22.2 m/s at an angle of 42.7 ° above horizontal. (Assume no air resistance.) What is the ball's impact speed when it hits the ground? (a) Solve using kinematics. (b) Verify your answer by solving with work and energy concepts. Impact speed: m/s (c) At what angle does the ball hit the ground? Impact angle: degrees from horizontal

A ball is thrown from 1.30 m above the ground with initial speed of 22.2 m/s at an angle of 42.7 ° above horizontal. (Assume no air resistance.) What is the ball's impact speed when it hits the ground? (a) Solve using kinematics. (b) Verify your answer by solving with work and energy concepts. Impact speed: m/s (c) At what angle does the ball hit the ground? Impact angle: degrees from horizontal

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Similar questions

If a marble is launched upward with an initial velocity of 15 m/s from a slingshot. Using conservation of energy, how high in meters will the marble go? Round to one decimal.
A mechanic pushes a m=2300 kg car from rest. He does W=4850 J of work in the process. During this time the car moves d327 m. Neglect the friction to answer the following questions. What is the horizontal force exerted on the car? Units: What is the velocity of the car at the final distance? Units:
1. The pitcher throws the 0.145 kg baseball towards the catcher at 42 m/s. (a) How much kinetic energy does the baseball have? (b) How much work does the catcher's mitt do on the ball during the catch? (c) If the catcher's mitt recoils 12 cm during the catch, how much force did the ball exert on the catcher?
Fill in the blank: Calculate the work done by these forces. A 10.0 N force is applied to push a block across a friction free surface for a displacement of 5.00 m to the right. Work = (note that your answer must have three significant figures to be marked correct.) Fnorm-20 N Fapp=10 N %3D Fgrav =20 N
The horizontal and vertical velocity components of a 2.0 Kg projectile are Vh = 30 m/s and Vv = 40 m/s, respectively. Find the work performed to enable this projectile to launch.
a baseball outfielder throws a baseball of mass 0.15 kg at a speed of 40 m/s and an initial angle of 30 degrees. What is the kinetic energy of the baseball at the highest point of the trajectory? Ignore air friction.
Sara throws a baseball to Janice. The baseball has a mass of 0.142kg. It is 1.1m above the ground, moving at 15m/s when sara lets go of it. Ignore the effects of air resistance. The baseball is moving horizontally at 13m/s when it reaches maximum height. Calculate the maximum height reached by the baseball.
A 145 kg crate slides down a ramp, starting from rest. The ramp is inclined at an angle of 20.6 degrees with respect to the horizontal and has a height of 1.74 m. The crate is placed on frictionless casters so that it slides down the ramp without friction. What is the final speed of the crate (in m/s) just as it reaches the bottom of the ramp? Use g = 9.81 m/s?.
A 68.1 kg runner has a speed of 3.50 m/s at one instant during a long-distance event. For (a) Apply the definition of kinetic energy. For (b) use the work-energy theorem. (a) What is the runner's kinetic energy at this instant (in J)? (b) How much net work (in J) is required to triple her speed?
An outfielder throws a 0.150-kg baseball at a speed of 32.0 m/s and an initial angle of 30.0°. What is the kinetic energy of the ball at the highest point of its motion?
A stone of mass 1.0 kg is dropped from rest at the top of a 100.0 meter high building. Assume there is no air resistance. What is the kinetic energy of the stone just before it strikes the ground? The following numerical values may be helpful in this question. G = 6.67 ∙10-11 N∙m2/ kg2 Earth’s mass = 5.98 · 1024 kilograms g = 9.80 m/sec2 1 kilometer = 1000 meters
A toad with mass of 190 g leaps into the air to catch a fly. If the toad's jump was at an angle of 37 degrees with respect to the horizontal, and with an initial velocity of 3.1 m/s, what is its kinetic energy (in Joules) when it reaches its maximum vertical displacement?