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a) What is the escape speed on a spherical asteroid whose radius is 585 km and whose gravitational acceleration at the surface is 2.5m/s2?
b) How far from the surface will a particle go if it leaves the asteroid’s surface with a radial speed of 1000 m/s?
c) With what speed will an object hit the asteroid if it is dropped from 1000 km above the surface?
Through a fierce battle by an alien ship all power has been cut to your star ship. Only life support systems are working! your captain comes to you and asks you to design a spring launcher fixed to the star ship that will give a 12.5 kg quantum photo..
Each of the current-carrying wires in the figure is long and straight, and carries the current either into or out of the page, as shown. What is the direction of the net magnetic field produced by these three wires at the center of the triangle?
a 4.80 kg block is suspended from a spring with k 400 nm. a 56.0 g bullet is fired straight up into the block from
An 18.0g arrow is fired into a 3.00kg pumpkin suspended on a string. Calculate the velocity of the arrow just before it enters the pumpkin
What is the number of turns on the coil and what is the magnetic field at the mean radius?
A thin, cylindrical rod L = 20.6 cm long with a mass m = 1.20 kg has a ball of diameter d = 6.00 cm and mass M = 2.00 kg attached to one end. The arrangement is originally vertical and stationary, with the ball at the top as shown in the figure be..
In a house the temperature at the surface of a window is 16°C. The temperature outside at the window surface is 9°C. Heat is lost through the window via conduction, and the heat lost per second has a certain value.
1.00-kohm resistor, a 0.200-H inductor, and a 4.00-microF capacitor are connected in series with an AC generator; the EMF of the generator is given by (150 V)sin((377 rad/s)t). What is the amplitude of the resulting alternating current?
a baseball player hits a triple and ends up on third base. a baseball diamond is a square each side of length 29 m with
A cylinder contains a mixture of helium and argon gas in equilibrium at a temperature of 240 C. Boltzmann's constant is 1.38066 × 10?23 J/K, What is the rms speed of helium
a 1150 kg car rolling on a horizontal surface has speed v 50 kmh when it strikes a horizontal coiled spring and is
A beam of electrons is incident on two slits separated by a distance of 2.0E-6m. Calculate the kinetic energy of the electrons
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