Recent activity by Dafydd Rees

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a racing car has a mass of 1910 kg. the acceleration of gravity is 9.8 m/s 2 . what is its kinetic energy if it has a speed of 109 km/h? answer in units of j

asked Dec 23, 2024

1 answer 54.6k views

How are climograph helpful in understanding biomes?

answered Dec 19, 2024

1 answer 232k views

1. Discuss why would you expect improved performance using a double buffer rather than a single buffer for i/o. What delay elements are involved in a disk read or write?

answered Oct 10, 2024

1 answer 129k views

Water is filled in a beaker of height 21 cm. Then till what height must the water be added so that it looks half of it is filled? (a) 10.5 cm (b) 14 cm (c) 15.5 cm (d) 18 cm

asked Oct 2, 2024

1 answer 154k views

The price of a shirt is usually £91. During a sale the prices in the shop are reduced by 2/7. How much is the shirt in the sale? A. £65 B. £75 C. £85 D. £95

answered Jul 31, 2024

1 answer 98.0k views

B. Give an example of how "reusing, reducing, or recycling" could decrease the amount of fossil fuels used. (0.5 point)

answered Jul 17, 2024

2 answers 44.0k views

which section of the foot is composed of the navicular, three cuneiforms, and the cuboid bones?: __________

asked Jun 6, 2024

1 answer 200k views

In a survey of 273 professional athletes, it was found that 122 of them owned a convertible, 116 of them owned a giant screen TV, and 121 owned a sporting goods store. 24 owned a convertible and a store,

answered Apr 11, 2024

1 answer 115k views

Distinguish between a durable consumer good and a nondurable consumer good. Durable consumer goods have an expected life of __________ and non-durable consumer goods have an expected life of ____________.

asked Apr 9, 2024

1 answer 174k views

What precautions must be taken for a client receiving radiation treatment?

answered Mar 21, 2024

1 answer 61.9k views

When we meet a new person and we're trying to decide if they're trustworthy and authentic, what aspect of their behavior do we take most seriously? a. Expressions given b. Expressions given off Protective

asked Mar 16, 2024

1 answer 101k views

PLEASE HELP. (Worth 25 points✨)

answered Mar 13, 2024

2 answers 19.5k views

From the article " A universal design of betacoronavirus vaccines against COVID-19, MERS, and SARS" by Dai, L., Zheng, T., Xu, K., Han, Y., Xu, L., Huang, E., ... & Gao, G. F. (2020). 1. Which article

answered Feb 18, 2024

1 answer 155k views

Which of the following represents the balanced equation for the electrolytic decomposition of water? a) 2H₂O -> 2H₂ + O₂ b) H₂O -> H₂ + O₂ c) 4H₂O -> 2H₂ + 2O₂ d) H₂O -> 2H₂ + 2O₂

answered Feb 8, 2024

1 answer 140k views

1. What is the highest common factor of the numbers 30 and 132? 2. Find the distance between (0, 2) and (-1, -5) without drawing a graph.

answered Feb 2, 2024

2 answers 152k views

What are the best numbers to come next in the sequence 21-71-38-51-32? a) 12-47-24-64-19 b) 16-52-46-82-59 c) 45-22-57-29-67 d) 17-29-42-53-61

answered Jan 23, 2024

1 answer 156k views

the selling price of a product is $20 and the markup is $4 What percentage of the selling price does the markup represent

answered Dec 24, 2023

2 answers 214k views

Write an equation of the line that passes through point P and is parallel to the line with thegiven equation. P(42), y = -3x + 3

answered Dec 8, 2023

1 answer 166k views

What is the measure of x? Image below

answered Nov 7, 2023

2 answers 43.8k views

Please help me with this question ( 20 points )

answered Nov 5, 2023

2 answers 4.7k views

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