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Projectile A with a speed of 30m/s and Projectile B with a speed of 60 m/s, are released horizontally and simultaneously from the top of a tower
a. Which will hit the ground first?
b. Which will travel farthest?
c. Which ill hit the ground with higher speed
The turntable in a microwave oven has a moment of inertia of 0.06 kg meters squared and is rotating once every 4.01 s. What is its kinetic energy in Joules
on level ground a shell is fired with an initial velocity of 84.0rm ms at 64.5circ above the horizontal and feels no
A loudspeaker on a homecoming float - mounted on a pole -- is stuck playing at an annoying 210 Hz tone, What is the intensity of the signal at this point, What is the power of the speaker
What is the impulse that you give to the particle as it moves from x = -1.00 m until it reaches x = 18.00 m. Remember that impulse is a vector, so in 1-dimension it can be either positive or negative.
A potential difference of 93 mV exists between the outer and inner surfaces of a cell membrane. Find how much work is required to eject a positive sodium ion (Na+) from the interior of the cell
A horizontal seismometer consists of a pendulum of length "l" constrained to rotate about a nearly vertical axis. The angle away from vertical for the axis is "a" (alpha) and the mass is "m", Determine the Lagrangian for the system in terms of "the..
a human hair is placed between the ends of two microscope slides forming a thin wedge of air between the slides as
Knowing that these two tones are two harmonics apart, find the smallest length the tunnel could have. Also determine the harmonic number for these two tones
Find out the difference in potential between the birds feet.
Three blocks, each of mass 12 kg are on the frictionless table. A hand pushes on the left most box (A) such that the three boxes accelerate in the positive horizontal direction as shown at a rate of a = 1.1 m/s2. What is the net horizontal force on b..
A stroboscopic photo of a club hitting a golf ball, such as the photo shown in the figure below, was made by Harold Edgerton in 1933. find the average force exerted by the club on the ball
A light bulb is connected to a 240-V wall socket. The current in the bulb depends on the time t according to the relation I = (2.828 A) sin[(596.6 Hz)t].Determine the resistance of the bulb's filament
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