A body is moving parallel to the z-axes. Its velocity is constant and equal to 12 m/s. Which vector of velocity is possible:
The velocity of the body is
. What is the position vector for this body (in general form)?Velocity of a body depends on time by the following form . What is the unit of the coefficient [b]?
The SI unit of density is?
Every action or force upon an object must have an equal and ____________ reaction.
A baseball of mass m is thrown upward with some initial speed. A gravitational force is exerted on the ball
The kinetic friction will always be
The unit of coefficient of friction in SI system is
Whenever a constant force is applied on a body then it will move with __________.
Power is a __________.
The dot product of force and velocity is called __________.
When the force and displacement are perpendicular to each other, then work is __________.
Centripetal acceleration and tangential acceleration are always __________.
The dimensions of angular momentum are __________.
The moment of inertia of a wheel about its axle does not depend upon its:
The moment of inertia of a body depends on
A skater can spin faster by pulling in her arms closer to her body or spin slower by spreading her arms out from her body. This is due to
The SI units for Coulomb constant ke are:
The electric field vector E can be expressed as:
If the electric field is uniform and makes an angle θ with the normal to a surface of area a, the electric flux through the surface is:
Gauss’s law says that the net electric flux through any closed gaussian surface is equal to:
The potential difference between two points A and B in a uniform electric field E, where s (d=|s|) is a vector that points from A to B and is parallel to E is:
The SI unit of capacitance is:
The equivalent capacitance of a parallel combination of capacitors is:
If two or more capacitors are connected in series, the equivalent capacitance of the series combination is given by:
The average current in a conductor is related to the motion of the charge carriers through the relationship:
Ohm’s law in the differential form is:
Ohm’s law in the integral form is:
For a uniform block of material of cross sectional area A and length l, the resistance over the length l is:
The power supplied to the element, is:
The power delivered to a resistor can be defined as:
The equivalent resistance of a set of resistors connected in series is:
The equivalent resistance of a set of resistors connected in parallel is found from the relationship:
Two objects, with different sizes, masses, and temperatures, are placed in thermal contact. Energy travels
On a day when the temperature reaches 50°F, what is the temperature in degrees Celsius and in kelvins?
The first law of thermodynamics can be given as ________.
The second law of thermodynamics can be given as __________.
Which of the following is not a state function?
Two containers hold an ideal gas at the same temperature and pressure. Both containers hold the same type of gas but container B has twice the volume of container A. The average translational kinetic energy per molecule in container B is
Two containers hold an ideal gas at the same temperature and pressure. Both containers hold the same type of gas but container B has twice the volume of container A. The internal energy of the gas in container B is
Two containers hold an ideal gas at the same temperature and pressure. Both containers hold the same type of gas but container B has twice the volume of container A. The rms speed of the gas molecules in container B is
How does the internal energy of an ideal gas change as it follows path
in
figure?