Calculate the fundamental frequency of a 4 meter organ pipe that is open at both ends. assume that the temperature is 20◦c and the speed of the sound is 344 m/s. answer in units of hz.

What force would be required to stretch a spring 1/2 of a meter if its spring constant is 180 n/m

A few weeks later, you attend a rock concert at which the band plays at 120dB. How many times more intense is the rock concert than the choir concert?

Matter is made up of tiny particles which can be atoms, molecules, or electrically charged particles called?.

Which of the following items are affected the most by the force of gravity? A. A tennis ball B. A golf ball C. A baseball D. A bowling ball

Which colors does a black T-shirt absorb?

You create a transformer by wrapping wire around an iron nail. The number of turns are: Primary (500); Secondary (2500). The Primary voltage is 3.00 V. The Secondary current is 200 mA.

A 90kg cannon fires 100kg shell with muzzle velocity of 75m/s. Calculate the recoil velocity of the cannon relative to the ground

The planet XYZ traveling about the star ABC in a circular orbit takes 24 hours to make an orbit. Assume that the orbit is a circle with radius 89 comma 000 comma 00089,000,000 mi. Find the linear speed of XYZ in miles per hour.

Your heart pumps 80 g of blood with each beat. The blood starts from rest and reaches a speed of 0.60 m/s in the aorta. If each beat takes 0.16 s, the average force exerted on the blood is a. 3.0" 102 N b. 0.22 N c. 0.16 N d. 0.30 N e. 0.98 N

What is the formula for calculating the mass when i have the number of volume and density