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What is the kinetic energy of a ball of mass 16.1 kg at the apex (highest point) of its trajectory, if it is thrown with an initial speed of 45 mph and an initial angle of 42.8 o with respect to the horizontal?
find out the current in the loop.Determine the rate at which thermal energy is produced.
A tight guitar string has a frequency of 540Hz as its third harmonic. What will be its fundamental frequency if it is fingered at a length of only 56% of its original length?
If the coefficient of friction between the block and the floor is 0.40, what is the mass of the block.
Two blocks are connected by a string. The smooth inclined surface makes the angle of 35 degrees with the horizontal, and the block on the incline has a mass of 5.7 kg.
What is the dissimilarity between sprinters and nonathletes
Gillian buys a pendulum clock at a discount store and discovers when she gets it home that it loses minutes each day.
Before starting this problem, review Conceptual. The force vector A has the magnitude of 75.0 newtons (N) and points due east. The force vector B has a magnitude of 101 N and points 72.9 ° north of east.
Two particles are fixed on x-axis. Particle 1 of charge q1 = -2×10^-7 C at x = 20 cm and particle 2 of charge q2 = +8×10^-7 C at x = 70 cm. At what x coordinate on the axis is net electric field produced by the particles equal to zero.
What is velocity relative to the ice surface
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.
find the net rate of radiation by a pot at 35.7°C that has been placed in a -23.9°C freezer. The pot's surface area is 0.111 m2 and its emissivity is 0.655.
A 3.60-{rm m}-long, 430 {rm kg} steel beam extends horizontally from the point where it has been bolted to the framework of a new building under construction. A 66.0 {rm kg} construction worker stands at the far end of the beam. What is the magnitude..
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