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A box of mass 12 kg moving on horizontal table. A wrench applies a constant force of 45.0 N that makes 37 degrees above the horizontal. You pull horizontally on the box from the other side. Consider that you must limit the box's acceleration to 2.0 m/s^2, what force do you need to apply to maintain that limit?. Assume that there is NO friction involved.
A long, straight wire has a 13.7 A current flowing in the positive x-direction. Close to wire is a square loop of copper wire that carries a 2.17 A current in direction shown. The near side of the loop is d = 46.3 cm away from the wire.
80 cm3 of water takes 12 min to cool from 40?C to 15?C in a draft; it is contained in a copper calorimeter of mass 150 g, Calculate the specific heat of the suspension in SI units
The Relativistic Heavy Ion Collider (RHIC) at Brookhaven is colliding fully ionized gold (Au) nulcei accelerated to an energy of 200 GeV per nucleon, What is the speed of each Au nucleus just before collision
A 130kg astronaut (including space suit) acquires a speed of 2.55m/s by pushing off with his legs from a 2000kg space capsule. What is the change in speed of the space capsule
A wire loop that encloses an area of 10 cm2 has a resistance of 5 Ohms. How much charge flows past a point in the wire
The bullet first passes through the left disk and then through the right disk. It is found that the angular displacement between the two bullet holes is θ = 0.320 rad. From these data, evaluate the speed of the bullet.
By what factor would its kinetic energy decrease if the car traveled half as fast
The three charged particles in the figure below are at the vertices of an isosceles triangle (where d = 1.60 cm). Taking q = 8.20 µC, calculate the electric potential at point A
At launch, the space shuttle's engines offer a thrust of 29 x 10^6N, and it accelerates upward at 1.75 m/s^2. What is the shuttle's mass.
Explain how can an employee embezzle funds in an automated invoicing / purchasing accounting information system without being caught and recommend a potential control mechanism to detect the embezzlement.
If 1800J of heat are added to a 190-g object, its temperature increases by 10o C. What is the heat capacity of this object
A long pair of wires conducts 28.10 A of dc current to, and from, an instrument. If insulated wires are of negligible diameter but are 2.8 mm apart, what is the magnetic field d = 11.2 cm from their midpoint, in their plane.
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