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A cord holding them together is burned, after which the block of mass M moves to the right with a speed of 1.62 m/s. What is the speed of the block of mass m? Answer in units of m/s.
A barefoot field-goal kicker imparts a speed of 25 m/s to a football initially at rest. If the football has a mass of 0.38 kg and the time of contact with the ball is 0.011 s, what is the force exer
Two 1 kg balls move away from each other, one traveling 1 m/s to the right, the other 10 m/s to the left. What is the magnitude of the total momentum of the system?
A vehicle that has a 1000kg mass is situated at the top of a hill with a 10 degree incline. 1. What would be the gravitational potential energy relative to the hill bottom?
A particular race car can cover a quarter mile track (402 m) in 6.00 s starting from a standstill. Assuming the acceleration is constant, how many g's, does the driver experience?
Compare Biot-Savart's law and Ampere's law in terms of the meaning of the mathematical expressions, what they are used for, the quantities they describe and their units of measure, and how they are
Compare Gauss's law for electric and magnetic fields in terms of the meaning of the mathematical expressions, what they are used for, the quantities they describe and their units of measure, and how
Using diagrams and equations distinguish between gravitational, electric, and magnetic fields in terms how the field is described, what creates the field and what feels the field. How does what feel
Compare Coulomb's law and Ohm's law in terms of the quantities they describe and their units of measure, which is a fundamental law and which is not and why, what they are used for. Use diagrams and
(a) If it takes 1.60 multiplied by 10-13 s for a nitrogen molecule to hit a wall and rebound with the same speed but moving in an opposite direction (assumed to be the negative direction), what is
(a) If the student can swim at a speed of 1.32 m/s in still water, how long does the trip take? (b) How much time is required in still water for the same length swim?
A car travels due east with a speed of 55.0 km/h. Raindrops are falling at a constant speed vertically with respect to the Earth. The traces of the rain on the side windows of the car make an angle
Sketch a vector diagram showing the components of its acceleration. (Do this on paper. Your instructor may ask you to turn in the sketch.)
Can a particle moving with instantaneous speed 8.00 m/s on a path with radius of curvature 4.00 m have an acceleration of magnitude 20.00 m/s2?
A proton is released from rest at the surface of the positively charged plate and strikes the surface of the opposite plate, 1.56 distant from the first, in a time interval of 1.54×10-6 . Fin
A 75 g ice cube at 0°C is heated until 65 g has become water at 100°C and 10 g has become steam at 100°C. How much energy was added to accomplish the transformation?
A radio telescope consists of two antennas separated by a distance of 250.0 m. Both antennas are tuned to a particular frequency, such as 55.0 MHz.
Air flowing over the car's wing exerts a downward-pointing force (called the downforce) of 3200 N on the car. (a) What is the coefficient of static friction between the track and the car's tires?
A 1.9 kg object that stretches a spring 6.9 cm from its natural length when hanging at rest oscillates with an amplitude of 8.4 cm. The acceleration of gravity is 9.81 m/s2. Find the following: Find
The bottom end of the wire is placed at the center of the ring, while the other end extends to infinity. Wire has a linear charge density lamda. Find the net electrostatic force acting on the wire.
The top of a tower much like the leaning bell tower at Pisa, Italy, moves toward the south at an average rate of 1.4 mm/y. The tower is 50 m tall. In radians per second, what is the average angular
The magnitude of impulse on the skier as he leaves the starting gate is?
A conical surface of radius R is uniformly charged with surface charge density sigma. Find the potential at the tip P of the conical surface. (Hint: You do not need to know the height; bottom surfac
Three identical point charges Q, are placed at the certices of an equilateral triangle. The length of each side of the triangle is d. a) Determine the magnitude and direction of the total electrosta
The bottom end of the wire is placed at the center of the ring, while the other end extends to infinity. Wire has a linear charge density lambda. Find the net electrostatic force acting on the wire.