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Question: A highway curve with radius 850 is to be banked so that a car traveling 52.0 will not skid sideways even in the absence of friction.
At what angle should the curve be banked?
A 2.60×104- rocket blasts off vertically from the earth's surface with a constant acceleration. How far is the rocket above the earth's surface when it breaks the sound barrier
Find the maximum temperature in a Carnot cycle operating in a room-temperature (23 degrees C) environment if its Carnot efficiency is 0.2. Express your answer using one significant figure. TH = ? K
A rifle with a barrel length of 57 fires an 11 bullet with a horizontal speed of 440. The bullet strikes a block of wood and penetrates to a depth of 12. What resistive force (assumed to be constant) does the wood exert on bullet.
A 95-kg fullback is running at 4.0 m/s to the east and isstopped in 0.75 s by a head-on tackle by a tackler running duewest. estimate the average force exerted on the tackler
I have a configuration of two charges. The first charge with a magnitude of 2C sits at point (0,1m) in a coordinate system. If I place an electron at (2m,0) what is the force that it feels
Two equally charged, 1.00 {rm g} spheres are placed with 2.00 {rm cm} between their centers. When free, each begins to acceleration speed at 225 {rm m/s^2}. What is the magnitude of the charge on each sphere.
Two 480g blocks of wood are 2.0 m apart on a frictionless table. A 9.0g bullet is fired at 440m/stoward the blocks. What is the speed of the second block after the bullet stops
You need to make a series ac circuit having a resonance angular frequency of 1550rad/s using a 142 ohm resistor, a 10. microF capacitor, and an inductor. What should be the inductance of the inductor
A 7.80-g bullet moving at 610 m/s penetrates a tree trunk to a depth of 5.80 cm, Use work and energy considerations to find the average frictional force that stops the bullet
Two cars of equal mass collide on a horizontal frictionless surface. What is the speed of the composite body (AB) after the collision
Suppose one night that the radius of the earth decreased by two (was half as big as normal), What would be the new value for the free fall acceleration
A violin string is 33 cm long. The wave speed is 140 m/s. what are the wavelengths of the first 3 harmonics
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