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Two clay balls are moving toward each other along a common straight line. The one on the left has mass 3 kg and velocity 4 m/s. The one on the left has mass 2 kg and velocity 9 m/s. The balls collide and form a single ball of mass 5 kg and keep moving. Some kinetic energy is lost as heat in this process. Calculate this lost energy.
An electromagnetic wave has the wavelength of 42.6 ?m and intensity of 78.5 W/m^2. Find the momentum of one photon
An L-R-C series circuit, R=150 ohms, L= 0.750H, and C= 1.70x10^-2uF. The source has a voltage amplitude of 140V, What is the average power delivered by the source
for which real numbers x do the vectors x 1 1 1 1 x 1 1 1 1 x 1 1 1 1 xnot form a basis of r4 ? for each of the values
A charge +q is at the origin. A charge -2q is at x = 8.50 m on the +x axis, For what finite value of x is the electric field zero
Sketch a sinusoidal wave with an amplitude of 1 cm and a wavelength of 7 cm. What is the amplitude of the sum of these waves
A positive charge of 1.000 C is located in a uniform field of 9.50×104 N/C. A negative charge of -0.500 C is brought near enough to the positive charge that the attractive force among the charges just equals the force on the positive charge due to th..
A 1.2 MHz ultrasonic beam is used to scan body tissue. If the speed of sound in a certain tissue is 1540 m/s, what size is the smallest detail that can be resolved
A ship has a mass of 40000 kg. its energy gives it an acceleration of 0.27 m/s while it travels a distance of 105 meters from rest. what force does the engine exert on the ship.
an ancient rock is found to contain ar40 gas indicating that 77 of the k40 in the rock has decayed since the rock
A 30 kg launching machine fires a 250 gram projectile horizontally at 100 m/s. This causes the machine to slide backward 1.122 meters before coming to a rest. What surfaces are likely to cause this friction
A +6.00-µC charge is moving with a speed of 8.80 x 104 meter per second parallel to a very long, straight wire. Obtain the magnitude and direction of force on charge
birds resting on high-voltage power lines are a common sight. the copper wire on which a bird stands is 2.5 cm in
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