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The froghopper (Philaenus spumarius), the champion leaper of the insect world, has a mass of 12.3mg and leaves the ground (in the most energetic jumps) at 4.00m/s from a vertical start. The jump itself lasts a mere 1.00ms before the insect is clear of the ground.
Assuming constant acceleration, make a free-body diagram of this mighty leaper while the jump is taking place.
Draw the force vectors with their tails at the origin of the dot. The orientation of your vectors will be graded. The exact lengths of your vectors will not be graded but the relative length of one to the other will be graded.
an electromagnetic wave strikes a 2.40-cm2 section of wall perpendicularly. the rms value of the waves magnetic field
In a mass spectrometer, a singly ionized 24Mg ion has a mass equal to 3.983 10-26 kg and is accelerated through a 2.80-kV potential difference. Find the radius of curvature of the ion's orbit
A plane flies from base camp to lake A, 260.8 km away in a direction of 223.1o. What is the distance and direction from the base camp to lake B? Enter the angle between 0 and 360
A child goes down a playground slide with an acceleration of 1.30. Find out the coefficient of kinetic friction between the child and the slide if the slide is inclined at an angle of 34.0 below the horizontal.
an inductor of l0.7h and a charged capacitor c5f with q 20c are connected to each other. how much energy is stored in
A canoe has a velocity of 0.40 m/s southeast relative to the earth. Find the velocity (magnitude and direction) of the canoe relative to the river
You are climbing up stairs, gaining 10 meters of height per minute. In order to do that, your body has to do some work, using energy, at a given rate. What is the power produced by your body
A bat is flitting about in a cave, navigating via ultrasonic bleeps. Assume that the sound emission frequency of the bat is 39.6 kHz. What frequency does the bat hear reflected off the wall
A 31.0-kg crate rests on a horizontal floor, and a 72.5-kg person is standing on the crate. Determine the magnitude of the normal force that the crate exerts on the person
What is the speed of the 2 cars as they move together after the collision.
An open railroad car of mass 2496 kg is coasting with an initial speed of 17 m/s on a frictionless, horizontal track. How much water (in kilograms) has accumulated in the car
an electric generator consists of a rectangular coil of wire rotating about its longitudinal axis which is
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