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Q1. Suppose the space shuttle is in orbit 460km from the Earth's surface, and circles the Earth about once every 93.80 minutes. Find the centripetal acceleration of the space shuttle in its orbit. Express your answer in terms of g, gravitational acceleration at the Earth's surface.
Q2. A curve in a highway has radius of curvature 110m and is banked at 2.7°. On a day when the road is icy, what is the safest speed to go around the curve?
How long is the bridge? Write down an equation for the bridge's height. And how far from the center of the bridge are two points if bridge's height at those points is 80 meters.
A jetliner is moving at a speed of 274 m/s. The vertical component of the plane's velocity is 54.0 m/s. Conclude the magnitude of the horizontal component of plane's velocity.
If the velocity of the car is increased to 50 km/ hour, what is its kinetic energy. if the velocity is improved to 75 km/ hour, what is its kinetic energy.
What are direction and magnitude of total velocity
Write down an expression for the efficiency of the air cart bumper in terms of the initial and final kinetic energy of the cart. What defines a collision as elastic or inelastic.
a) Determine the magnitude and direction of the electrostatic force acting on particle A in the figure given below due to particles B and C . The values of the charge on these particles are indicated in the figure.
Two point charges = 2.10 and = -6.40 are 0.100 apart. Point is midway between them; point is 0.080 from and 0.070 from. Take the electric potential to be zero at infinity.
A new circus act is called the Texas Tumblers. Lovely Mary Belle swings from a trapeze, projects herself at an angle of 53, and is supposed to be caught by Joe Bob, whose hands are 6.10 above and 8.02 horizontally from her launch point. You can ignor..
Tritium (3H) decays by negative beta decay with a half-life of 12.16 years. Use an atomic weight. What is the mass in g of 1 mCi of tritium? 3.026 For 3H.To what nucleus does 3H decay.
Two charges, and are the distance apart. These two charges are free to move but do not because there is a third charge nearby what should be the magnitude of the third charge and its placement in sequence for the first two to be in equilibrium.
What is the kinetic energy of α particle while it reaches the other plate? The distance between the plates is 33 cm.
John, a 76-year-old grandfather, had been smoking heavily for 26 years and had a persistent cough. A biopsy of his lung tissue revealed considerable amounts of carbon particles. How might this happen considering the natural cleaning mechanism of the ..
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