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If a 1.35 tonne car accelerate from 15.0km/h to 75km/h on a flat road in 4.00 seconds,
A. What is the distance travelled?
1. A solenoid consists of 200 turns of wire and has a length of 0.15m. What is the magnetic field inside
the solenoid if the current through it is a.) 0.24A, b.) 0.50A and c.) 1.2A
2. A circular wire loop with an area, A = 0.1m2 , is placed in magnetic field of magnitude B = 0.25 T.
Calculate the magnetic flux through the loop when a.) the plane of the loop is perpendicular to the field,
and b.) the normal plane of the loop makes an angle of 300 with respect to the field.
A series combination of two uncharged capacitors are connected to a 15-V battery, 300uJ of energy is drawn from the battery. If one of the capacitors has a capacitance of 5.0uF, what is the capacitance of the other?
Since Dalton believed that all matter was composed of atoms, indivisible and indestructible building blocks, What if Dalton had been correct what would Rutherford have expected from his experiments with gold foil?
A 70kg box is slid along a horizontal floor by a horizontal 400Nt force. Find the distance travelled by the box in 5 seconds if
a) there is no friction
b) coefficient of friction = 0.20
Problem 8:
A vertically downward force of magnitude 10 N is required to immerse a homogeneous object of weight 40 N completely in water. What is the density of the object?
a 73 kg person expends 400 W when walking on a level treadmill at a speed of 7.2 km/h. When the treadmill is inclined without changing the speed, the person's expended power increases to 600 W. What is the angle of incline of the treadmill by assuming that all the increased output goes into overcoming the force of gravity.
One- half mole of helium is expanded adiabatically from an initial pressure 5atm and atmosphere of 500K to a final of 1atm. Find the temperature, final volume, the work done by the gas and the change in internal energy of the gas.
A long thin rod of length L has a linear density y(x)= Ax where x is the distance from left end of the rod
1- how far is the center of mass of the rod from the left end of the rod?
2- what is the mass of the rod?
Calculate the amount of energy needed by a catapult to throw a stone of mass 500 g with a velocity of 10m/s
