When a flower pot is placed 1.05 meters on the left of a magnifying glass (converging lens), an image is formed on a screen 0.54 meters to the right of the lens. Find the focal length of the lens...

When a flower pot is placed 1.05 meters on the left of a magnifying glass (converging lens), an image is formed on a screen 0.54 meters to the right of the lens. Find the focal length of the lens...

An object is placed do=16.2 cm on the left of a lens that has a focal length of f=+33.4 cm. Find the magnification of the resulting image. as a unitless quantity. to a precision...

"When you speak to someone, the air molecules travel from your voice box into the person's ear, thus carrying the sound wave to them." Is the above statement correct? Explain...

No other details, this is all that is provided in the question.

An airplane flying parallel to the ground undergoes two consecutive displacements. The first is 75 km 30.0° west of north, and the second is 155 km 60.0° east of north. What is the total...

A plane travels 2.5 km at an angle of 35° to the ground and then changes direction and travels 5.2 km at an angle of 22° to the ground. What is the magnitude and direction of the plane’s...

Light traveling from a transparent material with index of refraction 1.25 strikes a surface with an angle 72 degrees relative to a normal line from that surface. When the light enters the second material,...

Please help me with this physics question. Please show steps so I can better understand. Particles 1 and 2, each of mass m, fixed to the ends of a rigid massless rod of length L1+L2...

James is lying on his body board out in the surf. 12 waves pass him every minute. These waves are about 14m apart from one crest to the next and they rise 2 meters above the normal water level. a)...

A circular region of r=0.003 m has a uniform displacement current that flow perpendicular to the plane with Ip = 0.500 A. What is the magnitude of the magnetic field due to the displacement...

If the spacing between resonance are 110 cm, what is the velocity of sound in He? ans. 970m/s ps. How can I get the answer? Thx!

An insulated beaker with negligible mass contains 0.310 kg of water at a temperature of 70.5°C. How many kilograms of ice at a temperature of −20.0°C must be dropped into the water to make the final...

A rocket with a total mass of 40 t (including fuel) rises vertically from rest. 30 kg of exhaust comes out of the engine every second at a speed of 6.0*10^3 m/s for 40 s before the fuel runs out....

High School Physics

Find the magnitude of the vertical force F necessary to lift the end of a loaded wheelbarrow of weight 1415 N, shown in the figure below. (Let h = 0.970 m, D = 1.10 m and d = 0.195 m.)

A fire hose directs a stream of water against the north wall of a house. The stream is directed southwards and the stream has a speed of 16 m/s. If the water comes out of the hose at rate of 27 kg/s,...

During a rodeo, a clown runs 8.0 m north, turns 55° north of east, and runs 3.5 m. Then, after waiting for the bull to come near, the clown turns due east and runs 5.0 m to exit the arena...

C1 and C2 are capacitors in parallel. C3 is in series with C12. C1=16.6 microF, C2=8.2 microF, C3=0.3 microF. A 1.52 V battery is connected in this combination. Find the charge stored...

The sound is reflected from a wall located at a distance of 275m away and the echo is heard 1.6s after. what is the speed of sound? ans. 340m/s ps. How can I get the right answer...

According to Keplers third law, but because of gravitational differences due to a second source, the orbital period T of a planet in this solar system is related to the radius R of its orbit.by T4...

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