A bicyclist travels 60.0 in 3.5 hours. what is the cyclists average speed

4. X-ray radiation from diffraction and fluorescence instruments is a) Not very dangerous because the X-rays are absorbed in the air b) Very dangerous but poses little real hazard since instruments are designed to completely enclose all beams c)

The energy of the Sun is produced in its A. corona. B. core. C. chromosphere. D. photosphere.

What is the rule of calculation of elastic potential energy?

What would you like to see if you were visiting Mars?

A player kicks a soccer ball from ground level and sends it flying at an angle of 30 degrees at a speed of 26 m/s. What is the vertical velocity component of the ball to the nearest m/s?

In 1991 four English teenagers built an eletric car that could attain a speed of 30.0m/s. Suppose it takes 8.0s for this car to accelerate from 18.0m/s to 30.0m/s. What is the magnitude of the car's acceleration?

What must you do if you plan to exercise everyday

Determine the speed of sound in air at 700 K. Also determine the Mach number of an aircraft moving in the air at a velocity of 340 m/s. The gas constant of air is R = 0.287 kJ/kg·K. Its specific heat ratio at room temperature is k = 1.4.

If the emf of the battery is 12 v and each resistance is 4 ω, what power is consumed by bulb b?

If you want to conduct an electrical current, which situation would produce a solution capable of this? A) Dissolving water in oil. B) Dissolving sugar in water. C) Dissolving solid NaBr in oil. D) Dissolving solid NaF in water.