Consider the simple pendulum experiment to determine the acceleration due to gravity. If the bob takes 25 seconds to complete 20 oscillations. How long is the string from the point of suspension to the middle of the bob? Given that g = 9.80 m/s2. Show work.

A 2.5  kg mass moving to the right  at 0.88  m/s, strikes to a 1.5 Kg mass moving to the left at 0.69 ms. If the collision has 100% elasticity, find the final speed of the 2.5 kg mass. Show all steps.

Neglecting the effect of air resistance, a stone dropped off a 175-m high building lands on the ground. How long it takes to hit the ground. Show work.

Imagine you are a red blood cell that has just been pumped out of the left ventricle.  Put the following blood vessels into the order that you will visit them on your trip through the cardiovascular system. 1. Vein 2. Artery 3.  Venule 4.  Arteriole 5. Capillary

The release of _____ ions inside a muscle cell triggers it to contract.

HIV/AIDS and COVID-19 are both examples of current …

What instrument is specifically used to measure blood pressure?

The innate immune response attacks pathogens with an array of white blood cells and also a set of plasma proteins called complement.

Arrange these steps of bone repair in the correct order, assuming the break has just occured.   1. Remodeling 2. Bony callus 3. Hematoma 4. Fibrocartilaginous callus  

These bone cells become more active with physical exercise, which helps to strengthen the skeleton.