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a pendulum clock with a pendulum made of brass isdesignd to keep accurate at temperature 20 dgreecelcius. if the clock operate at temperature of 0 dgreecelcius. what is the magnitude of its error .in seconds per hourand does the calock run fast or slow.
a blue cart (mass=0.400kg) makes an elastic collision with a red cart (mass=0.750kg), How much kinetic energy is lost in the collision
An ideal gas expands isothermally, performing 4.36 multiplied by 103 J of work in the process. Calculate the change in internal energy of the gas
a ditch 2.5 m wide crosses a trail bike path. nbspan upward incline of 15 degrees has been built up on the approach so
A water storage is filled with freshwater to a depth of 6.4m. It has a circular basin with an Area of 30m^2, What is the weight (force) of the water the basin supports
Two boats, traveling at 5 and 10 kms per hour, head directly each other. They begin at a distance of 20 kms from each other. How far apart are they (in kms) one minute before they collide.
Two waves are generated on a string of length 3.0 m to produce a three-loop standing wave with an amplitude of 4.6 cm, What are the lowest frequency
At t = 0 a grinding wheel has an angular velocity of 23.0 rad/s. It has a constant angular acceleration of 31.0 rad/s2 until a circuit breaker trips at t = 2.00 s. From then on, it turns by 432 rad as it coasts to a stop at constant angular accele..
Where can a third charge be placed. To what common temperature must the two pieces be heated in order that the cylinder just fit over the piston.
Now consider an atom consisting of two electrons, each of charge -e, embedded in a sphere of charge +2e and radius R. In equilibrium, each electron is a distance d from the center of the atom (the figure (Figure 1) ). Find the distance d in terms of ..
A square coil, enclosing an area with sides 2.7 cm long, is wrapped with 2,461 turns of wire. What average voltage is induced in the coil
Explain how long is the bullet in the target? What average force does the bullet exert on the target? What is the target's speed just after the bullet emerges?
A 10 g bullet moving 1000 m/s strikes and passes through a 2.0-kg block initially at rest, as shown. The bullet emerges from the block with a speed of 400 m/s. (a) How much energy was lost in the collision? (b) Calculate the average force exerted on ..
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