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A car starts from rest on a curve with a radius of 180 and accelerates at 1.80 . How many revolutions will the car have gone through when the magnitude of its total acceleration is 3.10 ?
Compute the semi major axis of the star orbit
A 100-W lightbulb has a resistance of about 12 ? when cold (20 ?C) and 140? when on (hot). Estimate the temperature of the filament
Two 3.0-cm-diameter electrodes with a 0.15-mm-thick sheet of Teflon between them are attached to a 9.0V battery. What is the potential difference before the Teflon is removed
If the bullet has a mass of 21.0 g and a speed of 235 m/s, explain how high will the block rise into the air after the bullet becomes embedded in it?
A sample of CO2 has a mass of 50 g. What is the number of molecules of carbon dioxide in the 50 g sample
A spring has a spring stiffness constant , k, of 440 N/m. How much must the spring be stretched to store 25 J of potential energy. Please tell me the formula and how you arrived at your answer.
a 13 g bullet traveling 222 ms penetrates a 2.0 kg block of wood and emerges cleanly at 159 ms. if the block is
A frictionless spring of spring constant 500 N/m has one end attached to a vertical wall and the other end to a block of mass 3.0 kg, which is free to move in one dimension on a horizontal frictionless table. Find the amplitude and frequency of osc..
A jogger takes 49 minutes to run 22 times around a track that measures 0.25 mile. What is her average velocity in mph and m/s
A robot probe drops a camera off the rim of the 389 m high cliff on Mars, where the free fall acceleration is 3.7 m/s^2. Find out velocity with which it hits the ground and the time required for it to reach the ground.
consider a spring-mass oscillator. the mass is 3 kg the pulley is frictionless and its mass and the mass of the string
A 210-kg load is hung on a wire of length of 4.80 m, cross-sectional area 2.00 10-5 m2, and Young's modulus 8.00 1010 N/m2. What is its increase in length
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