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A startled armadillo leaps upward rising 0.554 m in the first 0.190 s.
(a) What is its initial speed as it leaves the ground?
(b) What is its speed at the height of 0.554 m?
(c) How much higher does it go?
A cat drops from a shelf 4.5ft above the floor and lands on all four feet. His legs bring him to a stop in a distance of 12cm. Calculate how long it takes him to stop
The work done by an external force to move a -7.75 µC charge from point a to point b is 25.0 ? 10-4 J. What is the magnitude of the potential difference between a and b
q1. the period of oscillation of an object in a frictionless tunnel running through the earth is 84.3 min. what is the
A pulsar is a rapidly rotating neutron star. The Crab Pulsar is located in the Crab Nebula in the constellation Taurus. Find the pulsar's angular velocity
A ball is tossed from an upper-story window of a building. The ball is given an initial velocity of 9.00 m/s at an angle of 20.0° below the horizontal. Find the height from which the ball was thrown
A 200 kg bucket of cement is accelerated upward by a force of 2200 N. the acceleration continues for 5 s. the power needed at the end of this period is
The number of radioactive nuclei in a particular sample decreases to one-eighth of the original amount in 21 days. What is the half-life of the these nuclei
A lens placed at the origin with its axis pointing all along the x axis produces a real inverted image at x=-24cm that is twice as tall as the object. What is an image distance.
A motorcycle accelerates uniformly from rest and reaches a linear speed of 22.0 m/s in a time of 9.0 s. What is the angular acceleration of each tire
An object is placed 30 cm from a converging lens forms an image 40 cm from the lens. is the image which is formed real or virtual
At a distance rl from point charge the magnitude of the electric field created by charge is 248 N/C. After a distance r2 from the charge, field has a magnitude of 132N/C. Find ration r2/r1.
The model airplane in Figure 5.7 is flying at a speed of 13.2 m/s on a horizontal circle of radius 17.9 m. The mass of the plane is 1.18 kg. What is the net work done on the plane
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