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A woman on a bridge 97.0 m highsees a raft floating at a constant speed on the river below. Shedrops a stone from rest in an attempt to hit the raft. The stone isreleased when the raft has 5.40 m moreto travel before passing under the bridge. The stone hits the water4.00 m in front of the raft. Find the speed of the raft.
What is the speed of the center of mass
Suppose a formula for gain in heat energy of an object is H = m(A - B), where m = mass and (A - B) is its rise in temperature between A degrees and B degrees (as in #4). Write an expression for the absolute uncertainty, delta-H, in terms of m, del..
A wedge of mass M and angle α is resting on africtionless horizontal plane. Determine the accelerations of the two bodies
An undiscovered planet, many lightyears from Earth, has one moon in a periodic orbit. calculate the moon\'s radial acceleration.
In an RLC series circuit, these three elements are connected in series: a resistor of 67.0 ?, a 33.0-mH inductor, and a 0.0480-F capacitor. Find the resonant frequency for the circuit
The electric field in an xy plane produced by a positively charged particle is 4.94(6.9i + 4.4j)N/C at the point (5.9, 5.8) cm, Determine the x and y coordinates of the particle
A parallel plate capacitor is constructed with Teflon (dielectric constant 2.1) between the plates. What charge was originally stored
The energy of a particle in the n = 3 excited state of a harmonic oscillator potential is 5.87 eV. What is the classical angular frequency of oscillation of this particle
During exercise, a person may give off 182 kcal of heat in 30 min by evaporation of water from the skin. How much water has been lost
A charging bull elephant with a mass of 5240kg comes directly towards you with a speed of 4.55m/s.You toss a 0.150-kg rubber ball at the elephant with a speed of 7.81m/s. (a) when the ball bounces back toward you,what is its speed?
The inside of the cylindrical can shown above has cross-sectional area 0.005 m^2 and length 0.15 m. The can is filled with an ideal gas and covered with the loose cap. The gas is heated to 363K and some is allowed to escape from the can so that re..
A particular Ferris wheel has a radius of 24 meters, and it makes one complete revolution around its axle (at location A) in 20 seconds. In all of the following questions, consider location A (at the center of the axle) as the location around whic..
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