How can you manage to skip a flat stone over water? How can you increase the number of skips? Explain how this works and how it was used in WW2 in a squadron called the Dam Busters?

How can you manage to skip a flat stone over water? How can you increase the number of skips? Explain how this works and how it was used in WW2 in a squadron called the Dam Busters?

The moon is revolving around the earth at about 1 rev per 27.3 days. Assume that the average radius of the moon is 1,080 miles and the average distance from the earth to the moon is 238900 miles,...

A shell was fired from ground level with an initial speed of 350 m/s at an angle of 30 degrees to the horizontal. Assuming there is no air resistance, calculate: a) its time of flight; b)...

A bicycle accelerates from rest at 0.50 m/s^2. What is the velocity of the bicycle after 6.0 s?

A sock stuck to the side of a clothes-dryer barrel has a centripetal acceleration of 28 m/s2. If the dryer barrel has a radius of 27.6 cm, what is the tangential speed of the sock? Can...

Two objects with masses of 1.00 kg and 6.00 kg are connected by a light string that passes over a frictionless pulley. (a) Determine the tension in the string. (b) Determine the...

Two blocks on a frictionless horizontal surface are connected by a light string, where m1 = 11 kg and m2 = 22 kg. A force of 80 N is applied to the 22 kg block. (a) Determine the acceleration...

a styrofoam ball is attached to the bottom of a swimming pool with a nylon cord. the cord is 1.20 m long and the pool is 3.3 m. diameter of ball is 46cm. density of styroforam is 0.3 g/cc...

Calculate the action along a specific path

A. will be the same size. B. may be on the same or opposite sides of the lens. C. must be on opposite sides of the lens. D. can be virtual or real.

A. iridescent. B.in phase. C. of a single frequency. D.coherent.

A. yellow-green part of the spectrum. B. red part of the spectrum. C. white. D. orange part of the spectrum.

A. refraction of light rays or waves. B. absorption of light rays or waves. C. frequencies of light in various directions. D. direction of light rays or waves.

A. produces multiple reflections. B. converges light of different colors. C. disperses light into its component colors. D. spreads light according to amplitude.

A. the particle nature of light. B. the wave nature of light. C. both the particle and wave nature of light. D. none of the above

15. A 12 V battery, an ammeter, a 5.0 A fuse (which will burn out if more than 5.0 A of current is in the circuit), and several 10.0 lamps are used in an experiment to find the effect of connecting...

A charge of 38 C passes at a steady rate through a resistor in a time of 6 s. What is the current through the resistor?

What is the current through the resistor? What is the power being dissipated in this resistor?

A 18 V battery in a simple circuit produces a current of 3.5 A through the circuit. How much power is being delivered by the battery?

Two resistors, each having a resistance of 17 Ω, are connected in parallel. What is the equivalent resistance of this combination?

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