Why does a block of metal sink in water but the same size block of wood floats

Carry out the following calculation. Express your answer in the correct number of significant figures. A solid rectangular block has a density of 2.6 g/cm3. The block measures 1.8 cm by 4.0 cm by 2.3 cm. What is the mass, in g, of the block?

What is the best way to to find out whether the given substance is hard or soft?

Robert is accelerating a cart at the rate of 2.2 meters/second2. If the mass in the cart is doubled, and the net force is also doubled, what is the final acceleration? A. The acceleration is halved. B. The acceleration remains the same. C.

What happens to the temperature of the water inside the beaker after all of the ice melts? Why?

A sperm whale can accelerate at about 0.080 m / s2 when swimming on the surface of the ocean. how far will a whale travel if it starts at a speed of 1.0 m / s and accelerates to a speed of 2.57 m / s? assume the whale travels in a straight line.

What is the speed of a 1.0 * 103-kilogram car that has a momentum of 2.0 * 104 kilogram∙meters per second east?

4. How does an increase in orbital radius affect average orbital speed

What happens when a plastic lid sprinkled with iron filings is placed over a magnet?

A stuntman drives a car with a mass of 1500 kg on a drawbridge. The car accelerates with a constant force of 10,000 N. While he is driving, the drawbridge is raised to an incline of 30°.

In this channel of communication, messages are carried by sound and light waves. a. teleconference b. face-to-face c. voicemail d. hard copy memos