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Planet Z is 1.00×104km in diameter. The free-fall acceleration on Planet Z is 10.0m/s2 .
Part A What is the mass of Planet Z?
Part B What is the free-fall acceleration 7000km above Planet Z's north pole?
An uncharged spherical conducting shell surrounds a point charge - q at its centre. Then a charge +3q is placed on the outside surface of shell.
A block of mass m = 0.2 kg, in simple harmonic motion, has an amplitude of 3.5 cm and a maximum speed of 70 cm/s. What is the potential energy of the system when the block is 2 cm away from the equilibrium position?
A thin rod of length 0.75 m and mass 0.35 kg is suspended freely from one end. It is pulled to one side and then allowed to swing like a pendulum, Find the rod's kinetic energy at its lowest position
The left ventricle of the heart accelerates blood from rest to a velocity of + 25.9 cm/s, How much time does blood take to reach its final velocity
Physics: Mechanics about two curling stones - calculate speed, resistive force Two curling stones A and B, each having a mass of 2 kg, are on an ice rink floor. A is stationary and 10 meters from a boundary wall, while B is sliding at right angles..
A basketball of mass 610g and circumference 76cm is rolling without slipping on a gym floor. Treating ball as a hollow sphere, what fraction of its total kinetic energy is associated with its rotational motion.
If the rocket gases are expelled at a speed of 2010 m/s, explain how much mass must be expelled?
A solenoid of length 5.4 cm and diameter 0.92 cm is wound with 167 turns per cm, What is the induced emf in the entire solenoid
Canadian nuclear reactors use heavy watermoderators in which elastic collisions occur between the neutrons and deuterons of mass2.0 u. What is the speed of a neutron, expressed as a fraction of its original speed, after a head-on
Coulomb's Law describes the force between two charged objects, What is the magnitude and direction of the electrical force on object 2 due to Object 1
A 11-V battery is connected to three capacitors in series. The capacitors have the following capacitances: 3.6 µF, 11.1 µF, and 32.5 µF. Find the voltage across the 32.5-µF capacitor
A 100 kg rocket moving radially outward from Earth has a speed of 4 km/s as its engine shuts off 200 km above Earth's surface.
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