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A 78 kg baseball player jumps straight up to catch a hard-hit ball.
If the 140 g ball is moving horizontally at 23 m/s, and the catch is made when the ballplayer is at the highest point of his leap, what is his speed immediately after stopping the ball?
Express your answer to two significant figures and include the appropriate units.
The central star of a planetary nebula emits ultraviolet light with wavelength 104nm, What is the first-order diffraction angle
A standing wave is established in a 85 cm long string fixed at both ends. The string vibrates in four segments when driven at 190 Hz. Decide the wavelength. What is the fundamental frequency of the string?
Suppose a 0.5-kg mass on a spring that has been compressed 0.1 m has elastic potential energy of 1.2 J. What is the spring constant?
A bullet with a mass of 4.95 g and a speed of 940 m/s penetrates a tree horizontally to a depth of 6.15 cm. Calculate the magnitude of this frictional force
The sun emits electromagnetic waves with a power of 4.0 x 1026 Watts. Determine the intensity of electromagnetic waves from the sun just outside the atmospheres of Venus
Consider the situation where there are J = 4 groups of subjects. Answer the following questions.
A pendulum is constructed by attaching a small metal ball to one end of a 1.25 m long string that hangs from the ceiling. the ball is released when it is raised high enough for the string to make an angle of 30.0 degrees with the vertical. how fast i..
The system is balanced by a support that is 0.300m from the left end of the plank. How far to the right of the support is the plank's center of gravity.
Approx. 8% of body weight lies above the 5th cervical vertebral body. If an individual's mass is 66kg, what is the stress at that point in your vertebral column
Points A and B have electric potentials of 257 V and 129 V, respectively. When an electron released from rest at point A arrives at point C its kinetic energy is KE1, What is the electric potential at point C
Loretta travels by car from one city to another with different constant speeds between pairs of cities. Find the distance between two cities
The distance between two successive minima of a transverse wave is 2.91 meter. Evaluate the frequency of the wave
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