Energy from the Sun and energy from food are just different forms of the same thing. Question 20 options: True False

A bar magnet whose magnetic dipole moment is A·m2 is suspended from a thread in a region where external coils apply a magnetic field of T. What is the vector torque that acts on the bar magnet? (Express your answer in vector form.)

Cardiovascuar exercise involves

Which electromagnetic wave transfers the least amount of energy? gamma X-ray ultraviolet microwave

What Microsoft word does

36 kilo-joules to joules?

What will happen to plant height if the amount of available light is reduced due to global dimming? Which type of investigation would most likely be conducted to answer the following question?

A machine has an efficiency of 80%. How much work must be done on the machine so to make it do 50,000 J of output work?

What is the name of the area surrounding earth that is influenced by earth's magnetic field?

A 15 g turntable is covered with a uniform layer of dry ice that has a mass of 9.0 g. The angular speed of the turntable and dry ice is initially 0.75 rad/s. What is the angular speed of the turntable once all the dry ice has evaporated?

Rainwater was collected in water collectors at thirty different sites near an industrial basin and the amount of acidity (pH level) was measured. The mean and standard deviation of the values are 4.60 and 1.10 respectively.