Evaluate tan45/tan45

Scientists described light as a wave because the results of many experiments with light demonstrated that light behaves as a wave. Light is now described as having properties of both a wave and a particle.

A transformer is a device used to increase or decrease the voltage through induction. Which fundamental force is responsible for this induction? ElectromagneticWeak NuclearStrong NuclearGravitational

A 100-meter sprint is a race using only the straight side of a racetrack. A 400-meter sprint is a race that makes one complete lap around a racetrack. Why are velocity and speed the same for 100-meters sprint but not a 400-m sprint?

What sort of trade off do you think engineers make between functionality safety and aesthetic when building a real bridge

A 30 kg block slides down a 20° ramp with an acceleration of 1.2 m/s2. What is the coefficient of kinetic friction between the block and the ramp?

The force generated by a single muscle fiber can be increased by increasing is called

Write an expression that results in a String consisting of the third through tenth characters of the String s.

Noah Formula is in an airplane which is flying at constant speed in a circular course of radius 6500 m, circling O'Hare's airplane prior to landing. Noah observed that the plane completes each round trip in 345 seconds (5 minutes & 45 seconds).

Two pieces of metal with exactly the same mass are placed on a surface in bright sunlight. The temperature of the 1st block increases by 3°C while the temperature of the 2nd increases by 8°C. If the specific heat of the 2nd block is 0.

The correctly balanced equation for H202 - H2O + O, is A) H202 - 2H2O + O2 B) H302 - H20+20, C) 2H, 02 - - 4H20 + 0, D) 2H, 02 - 2H30 + 0,