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A proton (mass m = 1.67 x 10-27 kg) is being accelerated along a straight line at 3.6 x 1015 m/s2 in a machine. If the proton has an initial speed of 2.4 x 107 m/s and travels 3.5 cm, what then is?
(a) Its speed and
(b) The increase in its kinetic energy?
A 5.40 g bullet moving at 803 m/s strikes a 750 g woodenblock at rest on a frictionless surface. What is the speed of the bullet-block center of mass
A sailboat runs before the wind with a consant speed of 4.2m/s in a direction 32 deress north of west. How far (a) west and (b) north has the sailboat traveled in 25 min?
A neutron star of 2.00 solar masses is rotating at a rate of 1.00 revolutions per second. What is the radius of the neutron star? Assuming its density is uniform, find the rotational inertia and its angular momentum.
A generator at a dam can supply 375 MW (375 x 106 W) of electrical power. Suppose that the turbine and generator are 85% efficient. Discover the rate at which falling water should supply energy to the turbine.
We have seen the force on a moving charge given by F =q V X B where q is the charge, V the velocity vector and B the magnetic field vector. What directions for V will produce a maximum magnetic force
A cup of water is heated with a heating coil that delivers 27.28W of heat. What is the mass of the water
given that the speed of sound in the air is 343 ms and that human ears are typically 20 cm apart what is the maximum
a parallel-plate capacitor has circular plates of 8.90 cm radius and 1.70 mm separation.a calculate the capacitance.b
A point charge Q produces an electric field of magnitude 110.5 N/C at a distance of 1.48 m. If the field is directed toward the charge, What is the value of charge
demonstrate proper notation and use of units by converting the pressure rating written on a tire of 35 lbin2 to
You need to prepare a 0.187mm-diameter tungsten wire with a resistance of 3.43 ohm. How long must the wire be
A 5.0 V battery storing 43.0 kJ of energy supplies 1.5 A of current to a circuit. How much energy does the battery have left after powering the circuit for 1.0 hour
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