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(a) Show that the average speed of a tennis ball is 48 m/s when it travels the full length of the court, 24 m, in 0.5 s.
(b) How would air resistance affect the travel time?
The coefficient of static friction between m1 and the horizontal surface is 0.60, and the coefficient of kinetic friction is 0.30. what will be the acceleration of the system
In a photoelectric-effect experiment, the wavelength of light shining on an aluminum cathode is decreased from 249nm to 207nm. What is the change in the stopping potential
The magnitude and direction of acceleration of body both are constant will the body moves in straight line
The magnitude of the electrostatic force between two identical ions of mass 4.760×10-26 kg that are separated by a distance of 8.20 nm is 1.682×10-10 N. What is the charge of each ion
Particles pass through a single slit of width 2.3 mm, use the Heisenberg uncertainty principle to determine the minimum range of angles
A paperweight, when weighed in air, has a weight of W = 11.4 N. When completely immersed in water, however, it has a weight of Win water = 8.09 N
Prove that, given two angular momenta, L and S, their sum J = L+ S satisfies the commutation relations of the angular momentum (and therefore has the all the general properties of an angular momentum, e.g., the ladder structure, etc.).
There is also blue light which has a transmitted angle in the water that is 0.56 degrees smaller than that of the red light in the water. What is the incident angle of blue light
Four charges are arranged on the corners of a square as shown. A fifth charge is located in the middle of the square. What is the net force on that charge?
A 0.4 kg tennis ball is dropped from rest at a height of 3.6 m onto a hard floor. Over what time does the force act in bringing the ball to rest
what is Spectroscopic and Photometric Parallaxes ? Define specific heat capacity and thermal capacity.
A 1000 ? resistor is joined in series with a 600m H inductance and a 24 Volts battery. What is the time constant of the circuit
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