In comparing two unequal forces on a rigid body, is it possible to have the larger force produce less torque than the smaller force? a. Yes b. No
In comparing two unequal forces on a rigid body, is it possible to have the larger force produce less torque than the smaller force? a. Yes b. No
A figure skater can increase her angular velocity from a speed of 2.00 revolutions in 3.00 seconds to 5.00 revolutions in 2.00 seconds by bringing her arms in. If her moment of inertia was 4.60 kg...
The new blade on my table saw has a radius of 15.0 cm. My table saw has a maximum speed of 3750 rpm. If it takes 2.50 seconds to get up to this final speed, what is the tangential velocity of the...
A 85.0 g bottle is filled half full with 1.00 L of water. It is filled the rest of the way will an unknown liquid. The total mass of this full bottle is 1.75 kg, what is the density of the unknown...
So I'm studying for an exam I have coming up soon and I came across this problem in the back of the book: A 70 kg man runs by a seated woman at 4.5 km/hr. The woman's mass is 55 kg...
A room of 1.5 litres contains gas with pressure 10^5 Pa.If the gas particle has average speed of 750 m/s,then gas mass that trapped in the room is...gram A.0.8 B.0.7 C.0.6 D.0...
A room of 1.5 litres contains gas with pressure 10^5 Pa.If the gas particle has average speed of 750 m/s,then gas mass that trapped in the room is...gram A.0.8 B.0.7 C.0.6 D.0...
Magnetic flux produced by magnetic filed B that through perpendicularly a surface of width A is P.If the magnetic field is reduced into B/2,but the width surface enlarged to 2A,then flux produced...
An object is placed 375 mm in front of a concave mirror with focus 250 mm.if the object is moved 25 mm away from the mirror,then it's shadow will shift to ...mm a.80 b.82 c...
I keep using the equation a = F/m to find acceleration and then incorporating that into the kinematic equations for constant rotational acceleration. A(n) 25.0-kg solid sphere...
A charged particle a moves with velocity v in a magnetic field B that perpendicular to each other.The particle experiences Lorentz Force of F.If another particle of 4q moves twice faster in similar...
If purple light frequency of 10^16 Hz falls on a metal surface with verge energy 1/3 of energy quanta of the purple light.The kinetic energy of the released electron is...X 10^-18J A.6.6 B...
Two satellites A and B revolve around the planet with radius of R and R/2 respectively.If the orbit velocity of planet B is C,then the orbit velocity of planet A is...C A.0.500 B.0.600 C.0.707 D.0...
A charge Q is placed at each of the opposite corners of a square . A charge q is placed at each of the other 2 corners . if net electrical force on Q is 0(zero) . then Q/q equals -2...
Could somebody please tell me, if I had a ball and I pushed it with an external force into space, where does the stored gravitational energy go? What type of energy does it change into.
So a few homeworks ago I had this question: A billiard player sends the cue ball toward a group of three balls that are initially at rest and in contact with one another. After the...
A rocket with a mass of 2 kg launches vertically up with force 60 N.After 2 seconds the rocket engine suddenly goes off because running out of fuel.If friction with air is absent,maximum height that...
A person of mass m stands on a rope ladder that is hanging from a freely floating balloon of mass M. The balloon is initially at rest with respect to the ground. (The buoyant force on the person-balloon...
A small car with a mass of 800 kg travels northward at 26 m/s. Does the car have more or less momentum than a truck with a mass of 12500 kg traveling eastward at 19 m/s? How...
I have the correct answer for a but I'm still hazy on how I got there. For part b, I'm tol A massive black hole is believed to exist at the center of our galaxy (and most other spiral...