Which feature of a heating curve indicates a change of state?

The coil of a generator has a radius of 0.13 m. When this coil is unwound, the wire from which it is made has a length of 9.50 m. The magnetic field of the generator is 0.40 T, and the coil rotates at an angular speed of 29 rad/s.

A wagon is rolling forward on level ground. friction is negligible. the person sitting in the wagon is holding a rock. the total mass of the wagon, rider, and rock is 95.5 kg. the mass of the rock is 0.290 kg.

A 5kg mass resting on a smooth horizontal, frictionless table is connected to a cable which passes over a pulley and then is fastened to a hanging 10kg mass. find the acceleration of the two objects and the tension of the string.

A paperboy rode his bike at 3 m/s. After being chased by a dog for 8 seconds, he was traveling 6m/s. What is his acceleration? Your answer

A satellite views the earth at an angle of 20°. What is the arc measure

Car batteries are often rated in ampere-hours. Does this information designate the amount of (a) current, (b) power, (c) energy, (d) charge, or (e) potential the battery can supply?

If an airplane flies at 364 km/h, how long will it take to get from New York to Washington DC (288 km) ? (If needed, round to the nearest thousandths and answer with unit 'h' for hours.)

If a bar magnet is broken into two pieces, each of the resulting pieces

Two passengers leave the airport at Kansas City, Missouri. One flies to Los Angeles, California, in 3.5 hr and the other flies in the opposite direction to New York City in 3.5 hr.

What is the term for the basic unit of electric current? The basic unit of electric current is the.