A small cart rolls freely along the floor. As it rolls, balls of clay, each having one-seventh the mass of the cart, are dropped straight down onto the cart and stick to it. What is the...

A small cart rolls freely along the floor. As it rolls, balls of clay, each having one-seventh the mass of the cart, are dropped straight down onto the cart and stick to it. What is the...

you can connect a car heater to the car of a power 2,0kw to a 230V power outlet in the garage if the socket is protected by a 10 A fuse? only responses are not accepted

Determine the average of this 42.2km race. Express your answe in both m/s and km/h. ans.(3m/s, 10.9km/h)

Calculate the average speed of the electrons in m/s. ans.(2.1x10^6 m/s) ps. How do I get the answer?

An ordinary light bulb will hum at 13 decibels one meter away in a spherical shaped wave. Explain how many decibels you would hear if you were 2 meters away from 2 light bulbs.

The battleship New Jersey has nine 16-inch guns on its deck. If a person was on deck when all nine were fired, they would be subjected to a 215 decibel level of sound. At 202 decibels, a human being...

A rocket goes up at a velocity of 20m/s on the moon. If the gravity on the moon is 1.4m/s squared, then what velocity will the rocket hit the ground at? A ball before it is thrown has a gravitational...

Useful for problem: Ki > Kf (loses energy due to collision) Ki = 0.5m1v1i^2 + 0.5m2v2i^2 Kf = 0.5(m1 + m2)vf^2 v1i is initial velocity of m1. v2i is initial...

At the equator, there is a magnetic field B horizontal to the North and magnitude B: ... T (given) What is the magnitude and direction of the velocity of an electron e (me =9.31 x 10-31 Kg...

The temperature of the wire is 50 degrees (Celsius). Given that at 20 degrees, ρo = 2.82x10-8 Ωm and α = 3.9x10-3 /C. Determine: a) the resistivity of the wire b) the current...

a)The capacitance b)The charge on each plate c)The electric field between the plates d)The work done by the battery to charge the plates e)Which of the above values change is a dielectric is inserted...

Hi, I have a hard time understanding the concept of the Inverse Square Law, and hence, answering this question. Please help! The inverse square law for the intensity of light explains...

A 225-g block is pressed against a spring of force constant 1.45 kN/m until the block compresses the spring 10.0 cm. The spring rests at the bottom of a ramp inclined at 60.0° to the horizontal. Using...

Suppose a company decides to ship 150 000 W over 2.0 Ω transmission lines at 560 V. a) How much power is lost? (and.I = 143,498 W) b) What is the efficiency of transmission?(ans...

This is everything that is provided in the question aside from a few word changes due to the academic honesty policy and the character limit. To clarify the problem, you are 75m high because you are...

A converging lens with f=29.8 cm yields an image with magnification M=−2.5. Find the object distance. in terms of centimeters. They will be assumed to be cm. to a precision of tenths of...

"When you speak to someone, the air molecules travel from your voice box into the person's ear, thus carrying the sound wave to them." Is the above statement correct? Explain...

A rocket with a total mass of 40 t (including fuel) rises vertically from rest. 30 kg of exhaust comes out of the engine every second at a speed of 6.0*10^3 m/s for 40 s before the fuel runs out....

No other details, this is all that is provided in the question.

state what is observed when a stone is dropped through a viscous fluid. Pay respect to the following 1. upthrust 2. weight that acts upwards 3. viscous force opposing the motion

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