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A space vehicle is traveling at 5900 km/h relative to the Earth when the exhausted rocket motor is disengaged and sent backward with a speed of 99 km/h relative to the command module. The mass of the motor is four times the mass of the module. What is the speed of the command module relative to Earth now after the separation?
The position of an object as a function of time is vector(r)=(3.2t + 1.8t^2)i + (1.7t - 2.4t^2)j meters, where t is the time in seconds. Find the object's magnitude of the acceleration
A laser beam aimed from the earth is swept across the face of the moon. at what speed does the laser light move across the moon's surface
A small space telescope at the end of a tether line of length L moves at linear speed v about a central space station. What will be the linear speed of the telescope
A 3.00-gbullet is fired into a 14.0-kg block suspending from a support rodby a thin wire. After the bullet becomes embedded in the block, the block swings up to a height of 3.00 mm. How fast was the bullet traveling before it hit the block?
A tennis ball is dropped from a height of 190 cm above theground. It has a mass of .0572 kg. How can I figure out the speedof the ball just before it hits the ground, and the speed of theball just before it leaves the ground, using the conservation o..
A high-frequency photon is scattered off of an electron and experiences a change of wavelength of 8.0×10-4 .At what angle should a detector be placed to detect scattered photon (relative to the direction of the incoming photon).
11.50 kg block of metal measuring 12.0 cm x 10.0 cm x 10.0 cm is suspended from a scale and immersed in water. the 12.0
A shell is fired with a horizontal velocity in the positive x direction from the top of an 80 m high cliff. What is the final VERTICAL velocity
A photon of red light (wavelength = 710 nm) and a Ping-Pong ball (mass = 2.10 × 10-3 kg) have the same momentum. At what speed is the ball moving
Two objects with masses of 4.00 kg and 5.00 kg are connected by a light string that passes over a frictionless pulley. Determine the tension in the string. Determine the acceleration of each object.
a 2.5 kg particle is in simple harmonic motion in one dimension and moves according to the equationx 6.4 mcosp3 radst
The critical angle of a certain piece of plastic in air is ?c = 37.3º, what is the critical angle if the piece of plastic is immersed in water
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