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Q1. A 36.0 g bullet moving at 478 m/s strikes a 3.7 kg bag of flour that is on ice, at rest. The bullet passes during the bag, leaving at 255 m/s. How fast is the bag moving when the bullet exits?
Q2. Suppose you carry a bag of groceries weighing 112 N from your car to your kitchen, a distance of 49 m, without raising or lowering the bag.
What is the work completed by the force you exert on the bag?
An electric charge is uniformly distributed throughout a 12cm radius non conducting sphere. what is the volume charge density of the sphere
When the temperature of a coin is raised by 85.4 C°, the coin's diameter increases by 3.08 x 10-5 m. find the coefficient of linear expansion
A flywheel with a radius of 0.310m starts from rest and accelerates with a constant angular acceleration of 0.660rad/s2, Compute the magnitude of the tangential acceleration, the radial acceleration
When a hammer strikes a nail, it is compressed along its length. What is the impulse imparted to the hammer
An object moving with uniform acceleration has a velocity of 14.0 cm/s in the positive x-direction when its x-coordinate is 3.18 cm. If its x-coordinate 2.95 s later is ?5.00 cm, what is its acceleration?
A particle of mass 2 units moves along the x-axis attracted toward the origin by the force whose magnitude is numerically equal to 8x. find the differential equation describing the motion
Consider two concentric thin wall steel tubes, the larger one closed at the bottom and the inner one open. What must be the relationship between the radii of the tubes
A cockroach of mass m lies on the rim of a uniform disk of mass 7.00 m that can rotate freely about its center like the merry-go-round. At first the cockroach and disk rotate together with an angular velocity of 0.220 rad/s. Then the cockroach walks ..
A 1200kg car rounds a curve of radius 65 m banked at an angle of 14degrees. if the car is traveling at 30km/hr, will a friction force be required? if so, how much and in what direction.
A constant torque of 21.4 N•m is applied to a grindstone whose moment of inertia is 0.125 kg•m2. Using energy principles, determine the angular speed (in revolutions per second) after the grindstone has made 19 revolutions. (Avoid friction.) Do no..
A basketball of mass 3 kg and radius 0.20 m rolls without slipping down an incline of angle 30 degrees. Calculate the acceleration of the center of mass
A uniform electric field of magnitude 415 N/C pointing in the positive x-direction acts on an electron, which is initially at rest. What is the work done by the field on the electron
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