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What is true about a car with constant velocity? (Select all that apply) A. It maintains the same speed B. It continues in the same direction C. There is a decrease in speed D. It has a negative acceleration

Sohan Soni asked Oct 19, 2024

by Sohan Soni

8.7k points

1 answer

1 vote

36.0k views

Depolarization is a increase or reduction of charge separation?

Farhana Haque asked Oct 19, 2024

by Farhana Haque

8.0k points

1 answer

2 votes

142k views

During the isothermal heat rejection process of a carnot cycle, the working fluid experiences an entropy change of -0.730 btu/r. The temperature of the heat sink is 95°F. Determine the amount of heat transfer

EL Missaoui Habib asked Oct 19, 2024

by EL Missaoui Habib

7.9k points

1 answer

5 votes

117k views

Consider a 3 KHz voice signal x(t) (i.e., fₘ=3 KHz). The signal will be sampled with a rate fₛ and quantized using an L-level quantizer. The signal amplitude takes values vetween [-Vₘₐₓ, Vₘₐₓ]. Quantization

Scott Arrington asked Oct 19, 2024

by Scott Arrington

8.8k points

1 answer

5 votes

186k views

The reaction time of a driver to visual stimulus is normally distributed with a mean of 0.43. seconds and a standard deviation of 0.12 seconds. What is the reaction time that is exceeded 296 of the time?

Herrbischoff asked Oct 19, 2024

by Herrbischoff

8.4k points

1 answer

5 votes

151k views

How far away should the radiation source be for an "optimal" CXR?

Suvasis asked Oct 19, 2024

by Suvasis

8.3k points

1 answer

1 vote

222k views

Bruce Wayne is working on a new device that is going to be powered by one of his patented “bat”teries. Inside of the device is a wire that has a current of I1 = 1.89A running across it when the temperature

Dubnde asked Oct 19, 2024

by Dubnde

7.9k points

1 answer

3 votes

106k views

If 2 items with the same mass are placed in a tub of water and 1 item is larger than the other item, the larger item will sink because it has a larger volume. A. True B. False

Kanji asked Oct 19, 2024

by Kanji

8.0k points

1 answer

5 votes

98.6k views

A Butterworth low pass filter is to be designed that has a maximum amount of attenuation in the passband of 3 dB extending up to 19915 Hz. The stopband should have a minimum amount of attenuation of 55.

Andrio asked Oct 19, 2024

by Andrio

8.8k points

1 answer

0 votes

92.8k views

An old building is being demolished by swinging a heavy metal ball from a crane. Suppose that such a 100 kg ball swings from a 20-m -long wire at speed 16 m/s as the wire passes the vertical orientation.

David Moores asked Oct 19, 2024

by David Moores

8.0k points

1 answer

0 votes

90.4k views

Four beads, each of mass m= 1kg, are attached at various locations to a ring, also of mass m = 1, and radius r = 1m. Find the coordinates of the center of mass of the system consisting of the ring and

Nery Jr asked Oct 19, 2024

by Nery Jr

7.8k points

1 answer

1 vote

86.1k views

The densest known element is osmium with a density of rho = 22.4 g/cm³. Suppose two small spheres of osmium with radii 3.20 cm are in contact with each other. Find the gravitational force of attraction

Redbox asked Oct 19, 2024

by Redbox

8.2k points

1 answer

3 votes

89.2k views

Compute the density in g/cm3 of a piece of metal that has a mass of 0.500 kg and a volume of 63 cm3.

Alysia asked Oct 19, 2024

by Alysia

8.0k points

1 answer

4 votes

161k views

Beta decay is caused by the weak force, and it changes strangeness. Does this imply the weak force can change quark flavor? a) Yes, by converting down quarks to up quarks b) No, only changes in strangeness

ITukker asked Oct 19, 2024

by ITukker

8.8k points

1 answer

1 vote

58.0k views

What happened to the temperature throughout the life of the star? a. Increased b. Decreased c. Fluctuated d. Remained constant

Jpkroehling asked Oct 19, 2024

by Jpkroehling

8.2k points

1 answer

3 votes

39.8k views

A milkshake has a viscosity of 0.60Pa⋅s. To drink this shake through a straw of diameter 0.56cm and length 22cm, you need to reduce the pressure at the top of the straw to less than atmospheric pressure.

Jmkg asked Oct 19, 2024

by Jmkg

8.8k points

1 answer

0 votes

203k views

A tennis player hits a ball hard and 0.4 s later hears an echo from a wall. The 1 point speed of sound in air is 330 m/s. How far away is the player from the wall?

Chris Blunt asked Oct 19, 2024

by Chris Blunt

8.2k points

1 answer

3 votes

209k views

A ball is moving with a velocit of 0.5 m/s. Its velocity is decreasino at the rate of 0.05 m/s'. What is its velocit after 5 s? How much time wil it take from start to stop? What is the distance travelled

Mette asked Oct 19, 2024

by Mette

8.4k points

1 answer

2 votes

47.7k views

When current flows through a wire, the following influences are present___________

Neha Choudhary asked Oct 19, 2024

by Neha Choudhary

9.0k points

1 answer

1 vote

231k views

You give a crate of mass m=1.00kg an initial speed of vi=4.00m/s up an incline of θ=15.2∘ . the crate then slides along the incline, reaches a spring of spring constant k=30.9n/m , and compresses the spring

Daniella asked Oct 19, 2024

by Daniella

7.3k points

1 answer

5 votes

98.5k views

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