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A dartboard with a mass of 2.2kg is suspended from the ceiling such that it is originally at rest. A 0.030kg dart is thrown at the dartboard with a velocity of 1.2m\s. After the dart hits the dartboard, the dart and the board initially move by a velocity of0.025m\s. How much kinetic energy is lost in the system?
A truck is traveling at 11.1 m/s down a hill when the brakes on all four wheels lock. How far does the truck skid before coming to a stop
Two thermal reservoirs ("hot", TH = 124°C and "cold", TC = 10.0°C) are put into thermal contact by a lead slab. Find the initial rate of heat conduction for each reservoir
The position of a particle is given in cm by x = (7) cos 4pt, where t is in seconds. Find the maximum acceleration of the particle
a black of mass m sliding on a frictionless table is attached to a horizontal string that passes through a tiny hole in
What is the least speed the block must have at the top of the loop to make it around the loop-the-loop without leaving the track
A 60 kg man is riding on a 30 kg cart traveling at a speed of 2.7 m/s. He jumps off with zero horizontal speed relative to the ground. What is the resulting change in the cart's speed
Determine the length of a copper wire that has a resistance of 0.172 Ohms and cross-sectional area of 7.85 × 10^-5 m^2. The resistivity of copper is 1.72 × 10^-8 Ohms m
An aircraft takes off at 203 km/h after accelerating from rest at 2.14 m/s2. What is the minimum runway length required
The multiplicity for a particular system is ?= exp(N^2V^3U^1/2/?), where gamma is a constant to give correct units, V is the volume, N is the number of particles, and U is the energy. What is the system's entropy, temperature, chemical potential, pre..
You connect a number of identical light bulbs to a flash-light battery. a) What happens to the brightness of each bulb as more bulbs are added to the circuit if you connect them (i) in series and (ii) in parallel?
A 6.0-cm-diameter horizontal pipe gradually narrows to 4.0 cm. When water flows through this pipe at a certain rate, What is the volume rate of flow
if the coefficient of static friction between your coffee cup and the horizontal dashboard of your car is micro
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