a) If 5.8*10^5 J of heat are added to the ice, what is the final temperature of the system? b)If the amount of heat added to the ice is increased by a factor of 6, by what factor does...

a) If 5.8*10^5 J of heat are added to the ice, what is the final temperature of the system? b)If the amount of heat added to the ice is increased by a factor of 6, by what factor does...

from 0.81 kg of water at 0 degrees Celsius to make ice cubes at 0 degrees Celsius.?

A 0.40-kg ice cube at −10.2° C is placed in the lemonade. What is the final temperature of the system, and the amount of ice (if any) remaining? Ignore any heat exchange with the bowl or the...

An electric force is formed by a charged particle q=1.5•10^(-9)C, (1.5 times 10 in the exponent -9).In what distance are placed two equalpotencial areas in vacuum, if their potentials are φ1=45...

A rock lies on the bottom of a 10m deep lake. You are in a boat directly above the rock, and you can see it well. As the boat moves away from the rock, after a certain horizontal distance x. you cannot...

The center of mass of a person may be determined by an arrangement such as the one shown in the figure below. A light plank rests on two scales separated by a distance of d = 1.80 m and...

Based upon conservation of mass, how much oxygen gass was used

I know that I have to use Ohm's law combined with Kirchhoff's Voltage to set up the two loop equations and one node equation and to calculate the unknown currents I1, I2, and I3. The diagram and descriptions...

the observation deck of a tall skyscraper is 370m above the ground. calculate the time required for the penny to free fall this distance.

a) Draw a free body diagram of the ring b) What is the net force on the ring? c) Write an expression for the buoyant force on the ring in terms of the weight...

It will be a big pleasure if you can help me answer this.

can you explain how they work in determining if an object will sink or float.

Options are 1. Coils. 2.speed. 3.rings. 4.magnets.

The ball is thrown at 51.2 meters per second

The middle-C hammer of a piano hits two strings, producing beats of 1.60 Hz. One of the strings is turned to 230.00 Hz. What frequencies could the other string have? (Answer to the nearest 0.1 Hz...

How do you determine the orbital speed of the earth? Thats all the question says and I'n not sure how to answer it. Thanks

A 1.2 m diameter hoop with moment of inertia, Ih = Mr^2, starts from rest at a height 1.2 m above the base of an inclined plane and rolls down (without slipping) to the bottom. What is the linear...

Planet X has three Earth's mass and twice times Earth's radius. The magnitude of the gravitational field near Planet X's surface is most nearly... a. 2 m/s^2 b. 7 m/s^2 c...

If a pendulum-driven clock gains 8.80 s/day, what fractional change in pendulum length must be made for it to keep perfect time? (Your answer should be negative if the length is decreased.) -...

Would it be bound if it's orbital radius is larger than the radius of the planet it is orbiting ?