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When digging into the earth, the temperature rises according to the following linear equation: t=15+0.01h where t is the increase in temperature in degrees and ℎ is the depth in meters. Calculate the temperature

Grigory K asked Oct 18, 2024

by Grigory K

7.6k points

1 answer

4 votes

199 views

What purpose is served by a long and flexible pole carried by wire-walkers? a) Increases angular momentum b) Decreases angular momentum c) Enhances stability d) Reduces tension

Golay asked Oct 18, 2024

by Golay

7.6k points

1 answer

5 votes

227k views

A machine has a MA of 6.0. The work input needed by the machine to raise a 40-kg load by 3.0 m is: a) 0.12 kJ b) 0.20 kJ c) 1.2 kJ d) 7.1 kJ

Burnee asked Oct 18, 2024

by Burnee

8.4k points

1 answer

1 vote

123k views

Which describes the spring constant that affects the potential energy of an object for a given displacement from an equilibrium position? The higher the spring constant, the greater the gravitational potential

Proustibat asked Oct 18, 2024

by Proustibat

8.2k points

1 answer

1 vote

66.2k views

A student fires a cannonball diagonally with a speed of 32 m/s from a height of 54 m as shown. Determine all unknowns. A) Time of flight, Range, Maximum height B) Initial velocity, Launch angle, Time of

Hamdy Abd El Fattah asked Oct 18, 2024

by Hamdy Abd El Fattah

8.5k points

1 answer

3 votes

7.5k views

A light ray in glass (n = 1.50) strikes an unknown material with an angle of incidence of 45.0°. The angle of refraction in this material is measured to be 67.0°. What is the index of refraction of this

Gowrishankar S Nath asked Oct 18, 2024

by Gowrishankar S Nath

8.8k points

1 answer

2 votes

102k views

An airplane is flying north at 150 km/h relative to the air. There is a wind blowing at 75 km/h to the east relative to the ground. What is the plane's speed relative to the ground? A) 75 km/h B) 150 km/h

CRAFTY DBA asked Oct 18, 2024

by CRAFTY DBA

8.3k points

1 answer

1 vote

121k views

One word for backwards and forwards movement.

Shiv Singh asked Oct 18, 2024

by Shiv Singh

7.8k points

1 answer

0 votes

178k views

Katie (m = 45kg) rides in a roller coaster on a frictionless track. She is sitting on a bathroom-type scale (a 'normalometer'). The track has a loop-the-loop (radius r = 10m) as shown. The cart has a speed

Petr Lazarev asked Oct 18, 2024

by Petr Lazarev

7.7k points

1 answer

5 votes

196k views

A flask of 0.3 liter capacity was weighed after it had been evacuated.it was then filled with a gas of unknown molecular mass at 1.0 ATM pressure and temperature of 300k.The increase in mass of the flask

AlexPogue asked Oct 18, 2024

by AlexPogue

8.5k points

1 answer

0 votes

147k views

a mobile 50g, 10nc charge is perfectly balanced on top of a stationary 50nc charge. what will be the equilibrium height of the mobile charge?

Oner Ksor asked Oct 18, 2024

by Oner Ksor

8.1k points

1 answer

2 votes

2.3k views

Explain why a unit conversion involves just multiplying by 1. a. It doesn't change the value. b. It introduces an error. c. It multiplies by the conversion factor. d. It divides by the conversion factor.

Federico Malagoni asked Oct 18, 2024

by Federico Malagoni

8.7k points

1 answer

1 vote

92.2k views

Something that is physical relates to (physical) a. the mind. b. the feet. c. the heart. d. the body.

Manoj Alwis asked Oct 18, 2024

by Manoj Alwis

7.9k points

1 answer

1 vote

49.2k views

What are the 2 electrodes used for flame rectification A. Thermocouple and spark plug B. Flame sensor and igniter C. Ground and spark D. Sensor and electrode

David Yue asked Oct 18, 2024

by David Yue

8.6k points

1 answer

4 votes

174k views

One revolution is equal to how many radians? Degrees? a) ( 2pi ) radians, ( 360^circ ) b) ( pi ) radians, ( 180^circ ) c) ( frac{pi}{2} ) radians, ( 90^circ ) d) ( frac{pi}{4} ) radians, ( 45^circ )

Hasan BINBOGA asked Oct 18, 2024

by Hasan BINBOGA

7.8k points

1 answer

1 vote

203k views

A solid cube just gets completely immersed in water when a 0.5 kg mass is placed on it. If the mass is removed, the cube is 5 cm above the water level. What is the length of each side of the cube? (Density

Joe Basirico asked Oct 18, 2024

by Joe Basirico

8.9k points

1 answer

5 votes

229k views

If the period takes one-eighth (1/8) of a second to vibrate up and down, A) What is the frequency in Hertz (Hz)? B) What is the amplitude in decibels (dB)?

Ali Husham asked Oct 18, 2024

by Ali Husham

8.2k points

1 answer

5 votes

56.9k views

What property commonly distinguishes antimatter from its matter analogue? a) Mass. b) Charge. c) Spin. d) Color charge.

Santosh Shinde asked Oct 18, 2024

by Santosh Shinde

7.9k points

1 answer

0 votes

102k views

The Moon is typically about 384,000 km from Earth. Very roughly, how long would it take light to travel from Earth to the Moon?

Meskobalazs asked Oct 18, 2024

by Meskobalazs

8.6k points

1 answer

2 votes

216k views

How does the reflected wave of glass compare to the reflected wave of water? a) The glass wave has a higher amplitude. b) The water wave has a higher frequency. c) The glass wave experiences more refraction.

Shanebp asked Oct 18, 2024

by Shanebp

7.2k points

1 answer

0 votes

38.8k views

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