A planet orbiting a distant star has been observed to have an orbital period of 0.76 Earth years at a distance of 1.2 AU. What is the mass of the star the planet is orbiting? Round your answer to the nearest tenth.

Does voltage vary or the same in a series circuit

A 2,493-kg car is moving down a road with a slope (grade of 14% at a constant speed of 13 m/s. what is the direction and magnitude of the frictional force? (define positive x in the forward direction, i. e., down the slope?

Describe how you can you use a graduated cylinder to measure the volume of an irregular object

What is the difference between vector and scalar?

How do Earth's and Jupiter's orbits compare?

An alloy is made of a material of specific gravity 7.87 and another material of specific gravity 4.50. The alloy of mass 750g has an apparent weight of 6.6N when totally immersed in a liquid of specific gravity 0.78.

A ball with a mass of 3 kg moving at 5 m/s collides with a 9 kg ball at rest. After the collision, the impacting (3 kg) ball bounces back at a speed of 2.5 m/s. How fast does the 9 kg ball move and in what direction

Consider the four salts represented on the solubility curves displayed as line graphs. In all four cases the salts are which part of an aqueous solution?

A hot-air balloon of diameter 12 m rises vertically at a constant speed of 11 m/s. A passenger accidentally drops his camera from the railing of the basket when it is 19 m above the ground.

Describe the possible long term impact of a catastrophic event