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You wish to design a telescope using an objective lens with f(objecive) = 0.75 m. If you use an eyepiece with a magnification of 20, what is the total magnification of the telescope and what is the length of the telescope?
A car (m = 1610 kg) is parked on a road that rises 17° above the horizontal. What are the magnitudes of (a) the normal force and (b) the static frictional force that the ground exerts on the tires?
A rock is tossed straight up with a velocity of 23 m/s When it returns, it falls into a hole 10m deep, What is the rock's velocity as it hits the bottom of the hole
A parachutist and her parachuting equipment have the combined mass of 121 kg. Her terminal velocity is 5.30 m/s with the parachute open. Her parachute has a cross-sectional area of 35.80 m^2. The density of air at that altitude is 1.23kg/m^3. What is..
The acceleration of a particle is given by ax(t)=? 2.10m/s2 +( 3.03m/s3 )t, What will be the velocity at time t = 3.94s
A 1.85m diameter wagon wheel makes one revolution in 3.45s. What is the tangential speed of a point in it's rim
The centers of a 7.0kg lead ball and a 140g lead ball are separated by 13cm. What gravitational force does each exert on the other
A 1.5 kg bicycle wheel with a radius of 0.27 m turns at a constant angular speed of 28 rad/s when a(n) 0.33 kg reflector is at a distance of 0.14 m from the axle. What is the angular speed of the wheel
General relativity says that the total orbital energy of the binary system consisting of two neutron stars will decrease over time through the emission of gravitational waves. If this happens slowly sufficient that the orbit stays circular, response ..
What is the approximate radius of Earth? Its mass is 6.0*10^24 kilograms and the acceleration due to gravity at its surface is 9.8 m/s2
A 3.85 kg mass attached to a spring oscillates with a period of 0.355 s and an amplitude of 20.5 cm. find the maximum speed of the mass
A subway train is traveling at 83 km/h when it approaches a slower train 46m ahead traveling in the similar direction at 23 km/h.If the faster train begins decelerating at 2.1 meter per second square while the slower train continues at constant s..
A 26.0 kg satellite is in a circular orbit with a radius of 1.60×105 m around the planet Glob. Calculate the speed of the satellite. in m/s
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