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A 25 kg block slides down an inclined ramp. The ramp makes an angle of 165 degrees clockwise from the horizontal. What is the magnitude of the gravitational force on the block? What are the components of the gravitational force along the axes normal and tangential to the inclined ramp? Draw the force vector diagram, labeling all your angles and forces.
The heels on a pair of women's shoes have radii of0.50 cm at the bottom. find the stress on each heel
The plates of a parallel-plates capacitor each have an area of 4.0cm^2 and are seperated by 0.02mm. The plates are charged with 30 uC, How much electrical energy is stored in the capacitor
Suppose we are on a space ship generating a beam of electrons. In our reference frame, the electrons are traveling in the +x direction with a speed of 0.87c. Find the speed of the electrons in the Earth's reference frame
A 2 kg car moving towards the right at 4 m/s collides head on with an 8 kg car moving towards the left at 2 m/s, After the collision, the velocity of the combined bodies is
A mountain climber stands at the top of a 32.5-m cliff that overhangs a calm pool of water. What initial velocity must the second stone have had, given that they hit the water simultaneously
question a 68.5 kg astronaut is doing a repair on the space station. she throws a 2.25 kg tool away from her at 3.20
When kicked, the ball leaves the ground with a speed of 29.0 m/s at an angle of 51° to the horizontal. Explain by how much does the ball clear or fall short of the crossbar?
A series RCL circuit operating at 60Hz contains a 35Ωresistor and a 8.2μF capacitor. If the power factor ofthe curcuit is +1.00 what is the inductance of the inductor in this circuit
a fly beats its wings at a frequency of 1200 Hz. if the expansion and contraction of the wing muscles of the fly exhibits simple harmonic motion, what is the time period of a single beat of the flys wings
A bicycle rider ( mass of bike and rider is 85kg ) travelling eastat 23ms^-1 changes its velocity to 23ms^-1south in 5 seconds. calculate the acceleration. calculate the change in momentum. calculate the impulse given to the bike and rider
consider a system consisting of 3 charges. a 1 c charge is located at x 0 a 2 c charge is located at x 2 cm and -1 c
An abstract sculpture is constructed by suspending a sphere of polished rock along the vertical with four cables connected to a square wooden frame 1.1 m on a side. If the stone has mass m = 7.5 kg, and the bottom two cables are under a tension of..
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