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Two small dense stars rotate about their common centre of mass as a binary system with the period 1 year for each.One star is of double the mass of the other and the mass of the lighter one is one third

Jodm asked Dec 19, 2024

by Jodm

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A sample of neon exerts a pressure of 660.0 torr at 26.0°C. At what temperature would it exert a pressure of 940. torr? A) 30.0°C B) 35.0°C C) 40.0°C D) 45.0°C

Laxmikant Dange asked Dec 19, 2024

by Laxmikant Dange

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3 votes

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The radiation delivered by nuclear medicine has a small chance of causing cancer because:_____

WBAR asked Dec 19, 2024

by WBAR

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1 vote

228k views

Why does an iron ball and feather fall at the same line in a vaccum ?

Ivan Ursul asked Dec 19, 2024

by Ivan Ursul

7.1k points

2 answers

2 votes

9.1k views

What is the relationship between the force applied to the mass of an object and the object's acceleration?

Mark Stevens asked Dec 19, 2024

by Mark Stevens

8.2k points

1 answer

0 votes

48.2k views

The normal T wave is __________ with the first half moving more slowly than the second half

Jammi asked Dec 19, 2024

by Jammi

8.1k points

1 answer

0 votes

53.5k views

PQ is tangent to Circle O at Point P with arc lengths 160° and 60° as shown below. What is the measure of ZQ ? (in degrees)

Bali asked Dec 19, 2024

by Bali

8.2k points

1 answer

0 votes

222k views

7. A 2kg ball is released from rest at the top of a track and reaches a speed of 10m/s at the bottom. a. How much kinetic energy does the ball have? b. how much potential energy did it have at the top

Eray Alparslan asked Dec 19, 2024

by Eray Alparslan

8.1k points

1 answer

0 votes

231k views

What are the complementary base pairs based on Chargoff's rule? They also have equal amounts. 1) Adenine and Thymine 2) Guanine and Cytosine 3) Adenine and Cytosine 4) Guanine and Thymine

BUY asked Dec 19, 2024

by BUY

7.9k points

1 answer

1 vote

77.0k views

Straight polarity is when:_________ a. Work is positive and the electrode is negative. b. Both the work and the electrode are positive. c. The work is negative and the electrode is positive. d. Both the

Dhana asked Dec 19, 2024

by Dhana

9.4k points

1 answer

2 votes

7.5k views

Technician A says that reed switches produce an alternatíhg current (AC) signal. Technician B says that a magnetic vehicle speed sensor (VSS) can be diagnosed by observing the pattern on a lab scope and

Hurobaki asked Dec 19, 2024

by Hurobaki

8.2k points

1 answer

5 votes

223k views

A boy rides a motorbike with a velocity of 10 m/s. He accelerates his motorbike to a velocity of 25 m/s in 5 seconds. Calculate the acceleration of the motorbike. (A) 3 m/s² (B) 5 m/s² (C) 3.75 m/s² (D)

Frecklefoot asked Dec 19, 2024

by Frecklefoot

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1 answer

1 vote

159k views

How are magnetic fields like vectors?

David Kristensen asked Dec 19, 2024

by David Kristensen

7.7k points

1 answer

3 votes

195k views

In this lab you will use videos of a fan cart on a frictionless track. The mass of the fan cart is claimed to be 275.2 g. The fan is set at different speed pushing air backward and the resultant pushing

Stevetro asked Dec 19, 2024

by Stevetro

7.5k points

1 answer

1 vote

219k views

At what frequency does the maximum force on the block equal the block's weight?

Manuel R asked Dec 19, 2024

by Manuel R

8.2k points

1 answer

4 votes

65.5k views

What is the wavelength of the most intense light emitted by a giant star of surface temperature 5000K? The constant in Wien's law is 0.00290 m. K. A) 582 nm B) 576 nm C) 578 nm D) 580 nm

Temak asked Dec 19, 2024

by Temak

7.9k points

1 answer

5 votes

71.4k views

An ice skater applies a horizontal force to a 20-kg block on frictionless, level ice, causing the block to accelerate uniformly at 1.4 m/s^2 to the right. (True/False)

Freek Sanders asked Dec 19, 2024

by Freek Sanders

9.2k points

1 answer

2 votes

128k views

Ray Guy is a punter who was elected to the NFL Hall of Fame. One of his punts was kicked at 74° above the ground with a 6.2 second hang time. Determine the speed (m/s) with which the ball was punted. (Assume

Villermen asked Dec 19, 2024

by Villermen

7.7k points

1 answer

4 votes

43.6k views

The ___ number is a significant dimensionless parameter for forced convection and the ___ number is a significant dimensionless parameter for natural convection A. Gashof, Sherwood B. Reynolds, Grashof

Beniam asked Dec 19, 2024

by Beniam

7.4k points

1 answer

3 votes

17.6k views

What would the yield to maturity be on a four-year zero-coupon bond purchased today?

Vrashabh Irde asked Dec 19, 2024

by Vrashabh Irde

8.2k points

1 answer

2 votes

170k views

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