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Solve the following questions given below:
Question 1: What is Newton's law of universal gravitation?
Question 2: What is the force of gravity? Where is it strongest? Is there any gravity on the moon?
Question 3: What is the gravitational force on the moon dependent on? Planets A and B have identical masses but the distance between planet A and the earth is three times the distance between planet B and the earth. How does the weight of an object on A compare to the weight of the object on B?
I need help to solve the above question.
Tasha has mass 20kg and wants to use a 4.0m board of mass 10kgas a seesaw. How far is she from the support point
A fisherman reels in 12 of line while landing a fish, using the constant forward pull of 35. How much work does the tension in the line do on fish.
a 35 kg boy sits atop a sphere of frictionless ice of radius r=2.0m. He begins to slide and eventually falls off. How far above the ground does he lose contact with the ice
You have a beach ball which has a radius of 11 cm and a mass of 0.3 kg. You have a lead ball which has the same radius but has a mass of 120 kg. What is the buoyancy force felt by the beach ball
A bungee cord can stretch, but it is never compressed. When the distance between the two ends of the cord is less than its unscratched length L0, the cord folds and its tension is zero. Find the tension of the bungee cord when the ball is at its lo..
In one of the rocks brought back from the Moon, it is found that70.7 percent of the initial potassium-40 in the rock has decayed to argon-40. determine how old is the rock
A thin film of acetone (n = 1.25) coats a thick glass plate (n=1.50). While light is incident normal to the film. Compute the thickness of the acetone film
The mass density of crystalline carbon (diamond) is 3.50×103kg/m^3. Calculate the number density of carbon atoms per cubiccm.
a pendulum bob of mass m is hung from a light stringthe bob then moves in a horizontal circle of radius r and the
A child, whose weight is 150 N, lifts a pumpkin from the ground with a force of 50 N. The force the pumpkin exerts on the child is: A car rounds a curve while maintaining constant speed. A brick slides across a horizontal rough surface and eventually..
A 500g particle has velocity vx = -5.0m/s at t = -2s. Force Fx = (4-t^2)N is exerted on the particle between t = -2s and t = 2s. What is the particle's velocity at t = 2s
A metal sphere of radius 13 cm has a net charge of 2.8 x10–8 C. (a) What is the electricfield at the sphere's surface? (b) If V =0 at infinity, what is the electric potential (in V) at thesphere's surface?
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