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Two objects attract each other with a gravitational force of magnitude 9.8 x 10-9 Newton when separated by 19.3 centimeter. If the total mass of the objects is 5.02 kilogram, determine what is the mass of each?
heavier mass kg
lighter mass kg
A bird stands on a dc electric transmission line carrying 3300A (Figure 1) . The line has 2.7×10?5? resistance per meter, and the bird's feet are 3.5cm apart
A bicycle and rider (combined mass = 94 kg) approach a 10-m high hill going 8.9 m/s, What is their kinetic energy as they approach the hill
A uniform magneticfield of magnitude 1.52 T acts in the positive z direction. Find the magnitude of the force exerted by the field on a proton if the proton’s velocity is (2.3 Mm/s) ˆi.
You are standing on a sheet of ice that covers the football stadium parking lot in Buffalo; there is negligible friction between your feet and the ice. calculate with what speed do you and the ball move afterwards
A highway curve has a radius of 128 m. At what angle should the road be banked so that a car traveling at 27.2 m/s has no tendency to skid sideways on the road
A person with a near point of 90 cm needs to read from a computer screen that is 40 cm from her eye. What is the power of the lenses
Light in a transparent material (index of refraction 1.333) strikes the boundary with another transparent material (n = 1.010). compute the critical angle for total internal reflection
Find the minimum initial speed of a projectile in order for it to reach a height of 2201 km above the surface of the earth
q1. a 59-g ice cube at 0degc is heated until 52 g has become water at 100degc and 7.0 g has become steam at 100degc.
An image of a biological sample is to have a resolution of 5 nm. (i) What is the kinetic energy of a beam of electrons with a de Broglie wavelength of 5.0nm.
Copper pennies weighing 2.5 g have been placed in boiling water at 100 degree Celsius. How many pennies must be added to the water to raise the temperature to 31 degree Celsius
a pot of hot water is boiling on your stove. the pot is in the shape of a round cylinder made of aluminum which is 10
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