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A ball is thrown horizontally from a 12 m high building with a speed of 8.0 m/s. How far from the base of the building does the ball hit the ground?
A diffraction grating has 3047 lines/cm. Light that contains all wavelengths between 463 and 628 nm shines on the grating. Calculate the width of the dark area
A novice skier, starting from rest, slides down a frictionless 37.0° incline whose vertical height is 175 m. Explain how fast is she going when she reaches the bottom?
Find the closest distance an alpha particle of kinetic energy 5.0MeV can approach a bare gold nucleus, What is its kinetic energy in eV when it is expelled to infinity
Consider an airplane of wing area 6.8 m^2 (both wings combined) flying through air of density 1.13 kg/m^3. What is the net upward lift force on the plane
A block of mass 77 g floats on a fluid, oscillating up and down at a frequency of 8 Hz. What is the value (in N/m) of the effective spring constant of the fluid
A 0.280 kg ball is dropped from rest at a point 1.35m above the floor. The ball rebounds straight upward to a height of 0.780 m. What are the magnitude and direction of impulse of the net force applied to the ball during the collision with the flo..
Visible light passes through a diffraction grating that has 900 slits per centimeter, and the interference pattern is observed on a screen that is 2.46m from the grating. What is the difference between these wavelengths
A converging lens and a diverging lens, separated by a distance of 20.5 cm, are used in combination. What is the focal length of the diverging lens
A car of mass 961 kg coasts on a level road, starting with an initial speed of 14.6 m/s and coming to rest 15.4 s later. Find the frictional force acting on the car
A capacitance of is connected to an alternating emf of frequency 100 cycles/second. What is the capacitive reactance
Carbon 12 is defined such that 12g is one mole. So if a diamond is 37.5 g, how many moles of carbon are in it? How many molecules of carbon are in it
determine the weight of the collar.
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