What is the speed of sound at the atmospheric temperature of 30°C?

Support that P (e) = 0.76, P (F) = 0.45, and P (E and F) = 0.32. What is P (E or F) ?

How do neutrons keep the nucleas of an atom stable?

In which direction does the moving force of air flow? from warm temperatures to cold temperatures from areas of high pressure to areas of low pressure from east to west from high elevations to low elevations

What would most likely cause the future acceleration of the expansion of the universe

Which sequence of coefficients will balance the following equation Ca (s) O2 (g) 2CaO (s)

What is a scientific theory? A law that is always true a hypothesis about nature and educated guess based on observations an explanation on how the natural world works?

How does weathering affect statues?

What is the distance between ground to the lowest clouds?

Which of these is a risk of speeding A. Longer braking distance B. Greater likelihood of being distracted C. Tire damage D. Mechanical failure

Q 1: Calculate the pressure. Linda is pulling her sled carrying a present with a force of 900 N acting towards the ground. The sled has a total area of 3 cm2. Find the pressure under the sled by applying the formula.