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A man leaps from the top of a 60 meter tall building. If his initial speed is 24 m/s and at an angle of 23 degrees above the horizontal, then with what speed does he hit the ground as he lands?
In a football game, a tackle running at a constant speed of 5 m/s tackles a stationary receiver. What is the speed of the system's center of mass before the collision
The figure shows two 22.7 kg ice luges that are at rest and placed a short distance apart, one directly behind the other. What are the final speeds of the first luge
The tune-up specifications of a car call for the spark plugs to be tightened to a torque of 38Nm. With what force must you pull
The temperatre result in each measurement are listed below, write down the formula for mean and calculate the temperature mean value
To avoid a rear-end collision with a slow moving vehicle ahead, you step on the accelerator and increase your angular speed to 13.4 x 10-2 rads/s in a time of 8 s. What is the tangential acceleration of the car
A delivery truck travels 32 blocks north, 16 blocks east, and 26 blocks south. Assume the blocks are equal length. Illustrate what is the magnitude of its final displacement from the origin?
A 40.0 kg girl and a 8.4 kg sled are on on ice (frection coefficient 0.01) of a frozen lake, draw free body diagrama for the girl and the sled
An insect 4.00mm tall is placed 20.0cm to the left of a thin planoconvex lens. Calculate the location of the image this lens forms of the insect
In static equilibrium a spring is stretched 0.25 m by a hanging mass. If the system is initially moved up to the unstretched position and released with zero velocity, determine position of the mass (in m) after 4.2s. Take the equilibrium position ..
You have a converging lens with a focal length of 0.85 m, and wish to construct a refracting telescope with an angular magnification of âˆ'45. what should be the focal length of the second lens
A tiny 0.0250 -microgram oil drop containing 15 excess electrons is suspended between to horizontally closely-spaced metal plates, Which plate must be positive, the upper one or the lower one
A projectile proton with a speed of v collides elastically with a target proton initially at rest. what is the speed of the projectile proton
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