Is sharpening a pencil physical or chemical property

According to the plate tectonics model what layers form earths rigid moblie plates

Four rods that obey Hooke's law are each put under tension. (a) A rod 50.0 cm 50.0 cm long with cross-sectional area 1.00 mm 2 1.00 mm2 and with a 200 N 200 N force applied on each end. (b) A rod 25.0 cm 25.0 cm long with cross-sectional area 1.

What is the energy a wave carries measured by?

Why do dust particles in a beam of sunlight appear to sparkle?

A pedestrian moves 6.00 km east and then 13.0 km north. Find the magnitude and direction of the resultant?

A decaliters how many times larger than 1 million

Heat will flow from a hot object to a cold object until the objects reach

What kind of animals might benefit from a locust swarm

A capacitor is storing energy of 3 Joules with a voltage of 50 volts across its terminals. A second identical capacitor of the same value is storing energy of 1 Joule. What is the voltage across the terminals of the second capacitor?

The monochromatic light diffracts on the two slits which are 0.1 mm apart (their size is negligible) and produces an interference pattern on the wall which is 3 m far from the apparatus.