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A race car accelerates uniformly as it leaves the pit area, going from rest to 330 km/h in a semicircular arc with a radius of 200 meter.
Estimate the radial acceleration of car at this time.
m/s2
If the curve were flat, find what would the coefficient of static friction have to be between the tires and the roadbed to provide this acceleration with no slipping or skidding?
A baseball (mass 0.14 kg, radius 3.7 cm) is spinning with an angular velocity of 56 rad/s. What is its rotational kinetic energy
Two blocks are stacked on a frictionless table. A horizontal force F is applied to M2. If M1=1.39kg, M2=3.02 Kg, and F=6.3 N, find the size of the contact force between the two blocks
A 0.45 caliber bullet (m = 10.7 g) is fired into a large block of wood (M = 0.750 kg) so that the bullet becomes lodged in the block. What is the speed of the block after the collision
A lens for a 35-mm camera has a focal length given by f = 54mm, What is the magnification of the image on the film
A 220 g top spinning at 14 rev/s makes an angle of 30° to the vertical and precesses at a rate of 1 rev per 8.0 s. what is the moment of inertia of the top
Reaction time is the shortest time interval elapsed after the driver of a car decides to apply the break. (For example, the time wasted immediately after the driver sees a child standing on the road). Will the driver be able to stop in time
a dog running in an open field has components of velocity 3.2 and -1.6 at time 10.4 . for the time interval from
q1. a 46 kg girl is standing on a 145 kg plank. the plank initially at rest is free to slide on a frozen lake which is
If the rocket gases are expelled at a speed of 2010 m/s, explain how much mass must be expelled?
A string with a mass per length of 2.00 gm/m is stretched with a force of 150 N between two points that are 0.500 m apart. what is the length of the organ pipe
A transformer consists of 255 primary windings and 806 secondary windings. what is the effective load resistance of the secondary coil
Two large, parallel, conducting plates are 21cm apart and have charges of equal magnitude and opposite sign on their facing surfaces. An electrostatic force of 4.1 x10-15 N acts on an electron placed anywhere between the two plates.
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