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Solve the given problem:
Problem: You and your friend Peter are putting new shingles on a roof pitched at 24 degree. You're sitting on the very top of the roof when Peter, who is at the edge of the roof directly below you, 5.5m away, asks you for the box of nails. Rather than carry the 2.5 kg box of nails down to Peter, you decide to give the box a push and have it slide down to him.
Part A: If the coefficient of kinetic friction between the box and the roof is 0.55, with what speed should you push the box to have it gently come to rest right at the edge of the roof?
I known the right solution but I need to know how to get that. Thanks in advance!
A child is on a swing whose 4.0 m long chains make a maximum angle of 49 degrees with the vertical. What is the child's maximum speed
In the first-order spectrum, maxima for two different wavelengths are separated on the screen by 2.62 millimeter. Find the difference between these wavelengths
A proton is (approximately) a spherically symmetrical ball of charge of radius 1 x 10-15 m. what is the magnitude of the repulsive electric force
a)What is its velocity b)The charged ion then enters a magnetic field, B = 0.20 T, perpendicular to the field. What is the radius of the particle's circular orbit in the field
Wishing to move his television set to another room, the owner extends the aerial feeder cable, calculate the size of the signal transmitted across the join to the second cable
V_A is the electric potential at point a. V_A ( V_B
An ideal gas is compressed at constant pressure to one-half its initial volume. a)If the pressure of the gas is 150kPa , and 770J of work is done on it, find the initial volume of the gas.
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you have fixed costs of $608,000 per year. Your tax rate is 31 percent and your required return on this project is 11 percent. Illustrate what bid price per stamp should you submit?
The intensity of the sound wave from a jet airplane as it is taking off is 114 W/m2 at a distance of 4.3 m. What is the intensity of the sound wave
A typical capacitor in an MP3 player has C = 0.10µF. If a charge ±4.3µC is placed on the plates, what is the voltage across the capacitor?
A chair of weight 100 Newton lies atop a horizontal floor; the floor is not frictionless. Using Newton's laws, Find the magnitude of the normal force that the floor exerts on the chair
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