Describe the time of day that an early explorer might have planned to enter a harbor and when he might have planned to leave

Find the resultant of two components, 3km west and 4 km south. How do I solve this using the Pythagorean theorem?

When a spring is compressed, the energy changes from kinetic to potential. Which best describes what is causing this change? work power gravitational energy chemical energy

Use tug of war to explain balanced and unbalanced forces

The noise from a power mower was measured at 106 dB. The noise level at a rock concert was measured at 115 dB. Find the ratio of the intensity of the rock music to that of the power mower. (Round your answer to the nearest whole number.)

From the deepest to the surface, what are the parts of the earth's interior? A: Core - -> Mantle - -> Crust B: Crust - -> Mantle - -> Crust C: Core - -> Crust - -> Mantle D: Mantle - -> Crust - -> Core

Ultraviolet light emits a total of 2.5 * 10^-17 J of light at a wavelength of 9.8 * 10^-7 m. How many photons does this correspond to?

3. A ray of light incident on one face of an equilateral glass prism is refracted in such a way that it emerges from the opposite surface at an angle of 900 to the normal. Calculate the i. angle of incidence. ii.

What would happen to the stratosphere if humans were to increase the amount of ozone within it?

The noise floor, also known as additive white Gaussian noise (AWGN), is a continuous noise level that appears over a wide spectrum when viewed in the frequency domain. a. Trueb. False

Disadvantages of magnets