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A projectile with mass of 372 kg is launched straight up from the Earth's surface with an initial speed vi. What magnitude of vi enables the projectile to just reach a maximum height of 5.6RE, measured from the center of the Earth? Ignore air friction as the projectile goes through the Earth's atmosphere, and answer in units of km/s.
A uniform horizontal rod of mass (M) and length (l) rotates with angular velocity (omega) about a vertical axis through its center. Determine the angular momentum of the system about the axis
A student attempts to "levitate" a piece of current-carrying wire using the Earth's magnetic field (55 T). Calculate the rate of heat production in the wire
a spaceshipmo 10000 kg amp lo 42m is observed to be 42.2m long while traveling towards earth. determine the speed of
A weight of mass m1 is on africtionless ramp which makes angle theta with respect to thehorizontal. how long will it take to reach the horizontal
A fairground attraction called The Rotor (shudder) is spinning drum with a movable floor that is dropped down as the drum speeds up. find what rotation rate is required before the floor is dropped
A "195-watt" light bulb uses an average power of 195 W when connected to an rms voltage of 120 V. What is the resistance of the light bulb
A current of 15.0 mA is maintained in a single circular loop of 2.40 m circumference. A magnetic field of 0.870 T is directed parallel to the plane of the loop. Calculate the magnetic moment of the loop
An archeologist has discovered an old artifact. Its carbon-14 content is found to be 41.7 % of that in a fresh sample of wood. Find the age of the sample
A small rock with mass 0.12 is fastened to a massless string with length 0.80 to form a pendulum, find the tension in the string as it passes through the vertical
Vector A has magnitude 16m and vector B has magnitude of 17m. The scalar product A x B is 81m2. What is the magnitude of the vector product between these two vectors
A fixed 0.15 kg solid-disk pulley with a radius of 0.060 m is acted on by a net torque of 5.4 m�·N. What is the angular acceleration of the pulley
one capacitor with two flat conductors are seperated with 4mm. the area of each plate is 5m^2. one plate has charge of +200mC , calculate the capacitance of the device
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