Elisa is surprised by the man in the caravan. Which of the following reasons mostly likely led him to her?

A school bus transporting students to school is an example of potential energy because it has the ability to take the students to school. kinetic energy because it has the ability to take the students to school.

A man is 9m behind the door of a train when it starts moving with acceleration of 2m/s2. The man runs at full speed. How far does he run and after what time does he get into the train? What is his full speed?

Which research method uses questionnaires to collect information about the participants in a study?

Which of the following gives sexual reproduction an advantage over asexual reproduction?

Simple curiosity is not a legitimate reason to complete a scientific investigation. true or false?

How to identify additional materials

Tarzan runs at 6 m/s and grabs a vertical vine (negligible mass) 4.1 m long which is tied to a tree at the top. Tarzan swings up. Determine the maximum height Tarzan will swing up and the angle the vine makes respect to vertical.

What is the safest place to be amid the coronavirus?

What is the change in internal energy if 60 J of heat are added to a system and the system does 40 J of work on its surroundings? Use AU = Q-W.

A 35-N bucket of water is lifted vertically 3.0 m and then returned to its original position. How much work did gravity do on the bucket during this process?