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A bullet of mass 5g is moving with speed 800 m/s.It hits a log of wood initially at rest of mass 995 g and gets stuck in it? What is their moving speed after the impact?
The motion detector used in a physics lab sends and receives 49.55 kHz ultrasonic pulses. find the wavelength of the waves emitted by the motion detector
You are driving 110 miles to Columbus from Cincinnati. The first 100 miles you drive a good speed of 75mi/h . Unfortunately, you hit a traffic jam the last 10 miles where at least you move a constant 8.00mi/h .
A 1kg mass hangs from a cord wrapped around a solid disk pulley with a mass of 3kg and radius 25cm. Find the acceleration of the mass as it drops and the cord unwinds
A train moving with constant velocity travels 190 north in 11 and an undetermined distance to the west. How far west has the train traveled in this time
Find the power density in mw/cm2 at 50 meters from the antenna.
an object with a mass m15.00 kg rests on a frictionless horizontal table and is connected to a cable that passes over a
A 90 capacitor that had been charged to 30 is discharged through a resistor. The figure (Figure 1) shows the capacitor voltage as a function of time. What is the value of the resistance
The function x = (2.0 m) cos[(5π rad/s)t + π/5 rad]gives the simple harmonic motion of a body. Discover the following values at t = 1.0 s. the displacement, the velocity
Mars has a mass of about 6.77×1023kg, and its moon Phobos has a mass of about 9.6×1015kg. If the magnitude of the gravitational force between the two bodies is 4.58×1015N.
A car initially traveling at 23.2 m/s undergoes a constant negative acceleration of magnitude 2.10 m/s2 after its brakes are applied. (a) How many revolutions does each tire make before the car comes to a stop, assuming the car does not skid and the ..
A wall in a house contains a single window. The window consists of a single pane of glass whose area is 0.14 m2 and whose thickness is 8 millimeter. compute what is the percentage lost by the window
A 3-m2 hot black surface at 80°C is losing heat to the surrounding air at 25°C by convection with a convection heat transfer coefficient of 12 W/m2.°C, Determine the total rate of heat loss from the surface
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