A patio swing is suspended by two springs, each of which has a force constant of 450 N/m equivalent to a single spring forest constant of 900 N/m. Find the mass of a person sitting on the swing oscillating up and down out of 0.560 Hz.

R1=3 ohms R2=6 ohms R4=18 ohms R5 = 15 ohms R5=9 ohms 90 volts What is the current running through the entire circuit?

A student placed a pencil in a cup of water. The pencil appears broken because light - always travels in a straight line makes the water in the glass evaporate bends when it passes through water reflects the pencil on the water's surface

Identify a true statement about flow separation. Multiple Choice A. Flow separation is caused due to high temperature gradient in the flowing fluid. B. Flow separation is caused due to viscosity difference in the flowing fluid. C.

Which object would experience the largest force of gravity A train A car A pen The force of gravity is the same for all objects

What is the term that describes an object's mass per unit volume?

What can we say about the rock as it falls to Earth? A) It accelerates as it falls. B) It falls at a constant rate of speed. C) It is at a constant velocity as it falls. D) It accelerates until it reaches a peak velocity, then decelerates.

What is true about the nodes and antinodes of a standing wave?

A large truck loaded with scrap Stella weights 14 metric tons and is traveling north on the interstate heading for Chicago. It has been averaging 48km/h for the journey and has traveled over the 1450 km so far. It has just stopped to refuel.

Which interaction of nature binds neutrons and protons into nuclei? A. strong B. weak C. electromagnetic D. gravitational

Why does icing sugar dissolve more rapidly than granular sugar?