A baseball outfielder throws a baseball of mass 0.15 kg at a speed of 40 m/s and initial angle of 30°. What is the kinetic energy of the baseball at the highest point of the trajectory?
What will be an ideal response?
90 J
You might also like to view...
What conditions are required for a solar eclipse?
a) the phase of the Moon must be new, and the nodes of the Moon's orbit must be nearly aligned with the earth and the Sun b)the phase of the Moon must be full, and the nodes of Moon's orbit must be nearly aligned with the earth and the Sun c)the phase of the Moon must third quarter, and the Moon's orbital plane must lie in the plane of the ecliptic
A 60.0-Hz AC generator with a peak voltage of 110 V drives a series RL circuit with R = 10.0 ? and L = 10.0 mH. The peak current in the circuit is
a. 0.963 A. b. 10.3 A. c. 11.0 A. d. 11.9 A. e. 29.2 A.
A projectile is projected from the origin with a velocity of 30.0 m/s at an angle of 40.0 degrees above the horizontal. What is the time it takes the projectile to reach maximum height?
A. 2.66 s B. 2.23 s C. 1.97 s D. 1.54 s E. 1.02 s
A sphere of radius 10.0 cm floats in equilibrium partially submerged in water with its lowest point 5.00 cm below the water's surface
(a) What is the buoyant force acting on the sphere? (b) What is the weight of the sphere?