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Question: A skateboarder in a death-defying stunt decides to launch herself from a ramp on a hill. The skateboarder leaves the ramp at a height of 1.4 m above the slope, traveling 15 m s-1 and at an angle of 40o to the horizontal. The slope is inclined at 45o to the horizontal.
a) How far down the slope does the skateboarder land?
b) How long is the skateboarder in the air? c) With what velocity does the skateboarder land on the slope?
The transformer in the power supply for a computer's 500-GB external hard drive changes a 120-V input voltage, what is the current in the primary and secondary when the drive is in operation
How does graphene support Induced pluripotent stem cells culture and do different forms of graphene lead to distinct cell proliferation and differentiation characteristics
By holding a magnifying glass 29cm from your desk lamp, you can focus an image of the lamp's bulb on a wall 1.8m from the lamp. What is the focal length of your magnifying glass
After a hard rain, you walk out into the parking lot and notice an oil sheen on top of a puddle of water. when viewed from directly above, What wavelength of light is transmitted into the water
Explain the principal bonding mechanisms that are most important to all soil mineral structures. Are there other mechanisms that impart stability to specific kinds of minerals? If so, what are they and what are the minerals involved?
A subway train starts from rest at a station and accelerates at a rate of 1.66m/s2 for 14.2s. Find the total distance covered
A hydrogen ion is moving at 100,000 meter per second toward fixed, stationary hydrogen. Evaluate the closest approach of these two ions
an object is in front of a converging lens f 0.40 m. the magnification of the lens is m 2.1. relative to the lens
Two objects with masses of 4.00 kg and 5.00 kg are connected by a light string thatpasses over a frictionless pulley. Determine the tension in the string. Determine the acceleration of each object.
An engine running at 62.5% efficiency transfers 154 J of heat to the cold reservoir through each cycle. How much heat does the engine receive from the hot reservoir each cycle?
a charge of q is located at the origin while an identical charge is located on the x axis at x 0.54 m. a third charge
zorch, an arch enemy of superman, decides to slow earth's rotation to once per 27.0 h by exerting an opposing force at, How long must zorch push with this force to achieve his goal
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