A racing yacht has a mass of 400kg and is travelling at a velocity of 12m/s.

A gust of wind increases its velocity to 25m/s. Calculate the change in momentum of the yacht caused by the gust of wind.

A circular loop with 30 turns and area of 0.25 m2 rotates at 100 rad/s. The axis of rotation of the loop is perpendicular to the direction of the magnetic field of 0.04 Tesla. What is the maximum emf induced in the loop?

Which planets can never be seen at midnight? A. The Superior planets. B. The Inferior planets C. All planets can be seen at midnight if you wart D. No planets can be seen at midnight enough.

Jamal heats a metal rod to 75oC and drops it into a bucket of tap water. How does the motion of the water molecules change as a result? A) The water molecules do not change. B) The water molecules move and vibrate faster.

I am pretty sure its the last one. Which of the following statements is not a description of Mars? Has a reddish color Has a thin atmosphere One of the rocky planets Has no moons I will give brainliest if right!

A plastic spring with spring constant 850 N/m has a relaxed length of 0.100 m. The spring is positioned vertically on a table, and a charged plastic 1.00-kg sphere is placed on the top end of the spring.

Which of these is not a source of the shock waves that lead to protostars?

Which kind of information is known about a person if that person's DNA is in a database? A. how old the person is B. where the person was probably born C. some diseases the person might have D. whether the person is likely to commit a crime

A science teacher ran a marathon. After the race she showed her students the silver blanket she was given to keep her warm. A group of students investigated how the colour of the blanket affected how much infrared radiation is absorbed

Students asked to measure the temperature of a reaction beaker recorded the following temperatures. 103.7°C, 108.4°C, 105.8°C, 104.6°C The actual temperature is 105.1°C. Which measurement is the most precise

Two atoms that are isotopes of one another must have a different number of what? electrons neutrons protons all particles