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Your spaceship lands on an unknown planet. To decide the characteristics of this planet, you drop a 1.00kg wrench from 3.50m above the ground and gauge that it hits the ground 0.811 Slater. You also do enough surveying to decide that the circumference of the planet is 6.28×10 4km.
Determine what is the mass of the planet, in kilograms?
Express the planet’s mass in terms of the earth’s mass.
A toaster uses a nichrome heating wire. When the toaster is turned on at 20 degrees Celsius, the initial current is 1.5 amps. a few seconds later the toaster warms up and the current now has a value of 1.3amps.
An electron and a proton each have a thermal kinetic energy of 3×kBT/2. Compute the de Broglie wavelength of each particle at the temperature of 2050 K. (kb is Boltzmann's constant, 1.38×10-23 J/K).
A trained dolphin leaps from the water with an initial speed of 12. What is the vertical distance between the dolphin and the ball when the dolphin reaches the horizontal position of the ball
Write an expression for the electric field vector of a uniform plane wave in free space that is propagating in the direction given by a line from the origin to the point (3,0,4), Compute the irradiance of this wave
what is the formula that describes how the acceleration of an object on an inclined plane depends on the angle the
In a non-uniform gas, the equation of state is valid locally, as long as the density does not change too rapidly with position. Find the density as a function of height
In an RLC series circuit that includes a source of alternating current operating at fixed frequency and voltage, the resistance R is equal to the inductive reactance.
By how much does the ball clear the net. How far below top surface would the medallion appear if the observer (not wearing goggles) and the block were under water.
Ocean waves are traveling to the east at 5.0 m/s with a distance of 16 meter between crests. Find with what frequency do the waves hit front of a boat when the boat is at anchor
A solid wood door 1.00m wide and 2.00 m high is hinged along one side and has a total mass of 44.0 kg. Find the final angular speed of the door
By what percentage does the density of a bowling ball change (assuming it is a uniform sphere) when it is taken from room temperature (68F ) into the cold night air in Nome, Alaska (-40F ). Assume the ball is made out of a material that has a linear ..
a string fixed at both ends is 8.40 m long and has a mass of 0.120 kg. it is subjected to a tension of 96.0 n and set
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