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A projectile of mass 20.5 kilogram is fired at an angle of 60.0 degree above the horizontal and with a speed of 75.0 m/s. At the highest point of its trajectory the projectile explodes into two fragments with equal mass, one of which falls vertically with zero initial speed. You can ignore air resistance.
Determine how much energy is released during the explosion?
Although California is known for earthquakes, it has large regions dotted with precariously balanced rocks that would be easily toppled by even a mild earthquake. What would be the magnitude of the maximum acceleration of the oscillation, in terms ..
On a frictionless horizontal air table, puck A (with mass 0.253kg ) is moving toward puck B (with mass 0.372kg ), What was the speed vAi of puck A before the collision
A satellite is in a circular orbit about the earth (ME = 5.98 × 1024 kg). The period of the satellite is 1.20 × 104 s. Illustrate what is the speed at which the satellite travels?
In the absence of an applied torque a rigid body with three distinct principal moments of inertia given by I1, I2 and I3 is rotating freely about a fixed point inside the body.
Standing on the sidewalk next to your parked vehicle you hear the siren of an approaching fire engine. Determine the speed of the approaching fire engine
An 89 kg man lowers himself to the ground from a height of 6.2m by holding onto a rope that runs over a frictionless pulley to a73 kg sandbag
A person with a weight of 222 lb stands on two feet with their weight equally distributed between the two shoes, compute the pressure on each shoe independently
A projectile is launched with a momentum of 200 kg • m/s and 1000 J of kinetic energy. What is the mass of the projectile
Find out the magnitude of the friction force acting on the case. Laser light with a wavelength = 680 illuminates a pair of slits at normal incidence. What slit separation would produce first-order maxima at angles of 40 from the incident direction.
the speed of a transverse wave on a string is 420 ms and the wavelength is 0.12 m. the amplitude of the wave is 2 mm.
Consider an optical gain medium that has two levels at E 1=1.50 eV and E 2=3.50 eV. What is the resonant absorption wavelength
If the internal energy of a system increases as the result of an adiabatic process, Calculate the work done on or by the system in part (a) if its internal energy increases by 700J
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