A squirrel drops an acorn onto the head of an unsuspecting dog. The acorn falls 4.0m before it lands on the dog. We can ignore air resistance. How many seconds did the acorn fall?

Which set of terms below describes sound waves? A. Transverse and mechanical B. Longitudinal and electromagnetic C. Transverse and electromagnetic D. Longitudinal and mechanical

cerek elektrik disambungkan kepada bekalan kuasa 240V. Jika rintangan pemanas ialah 40 ohm, hitungkan kuantiti haba yang dihasilkan dalam masa 10 minit.

Are any rocks that form from another rock as a result of change in blank or blank

A solid uniform ball of mass 1.0 kg and radius 1.0 cm starts from rest and rolls down a 1.0-m high ramp. there is enough friction on the ramp to prevent the ball from slipping as it rolls down. A).

Through which one of the following mediums is the velocity of a sound wave the greatest? a. Steel b. Lead c. Water d. Air

What does an octopus have to do with why atoms bond with other atoms?

The square loop shown in the figure moves into a 0.80 T magnetic field at a constant speed of 10 m/s. The loop has a resistance of 0.10 Ω, and it enters the field at t = 0 s.

You need to prepare a 0.199-mm-diameter tungsten wire with a resistance of 3.09 kÏ. how long must the wire be? the resistivity of tungsten is 5.62 à 10-8 Ï·m.

A challenge gaining prominence throughout the planet is the increased need for / "green/" or sustainable energy. in certain parts of the country, wind farms are a viable alternative to conventional energy sources.

Explain how the force due to gravity keeps a satellite in orbit