Recent activity by Stefan Repcek

Recent activity by Stefan Repcek

If 200 grams of water is to be heated from 24 degrees to 100 degrees C to make a cup of tea how much heat must be absorbed by the Ayer to make this happen? The specific heat of water is 4.18

asked Dec 15, 2024

1 answer 93.1k views

The diameter of a circle is 4 millimeters. What is the circle’s circumference?

answered Dec 10, 2024

1 answer 35.6k views

Which value for x makes the sentence true? 7x -6 = -27 A. -6 B. -3 C. =33/7 D. -21

asked Nov 27, 2024

1 answer 48.3k views

How do I find N1 usings snell's law? N1=? Theta1=40° N2=2.61 Theta=34°

answered Nov 16, 2024

2 answers 179k views

What size branch-circuit conductors are required for a 40a resistance welder having a duty cycle of 30 percent? (use 60 degree terminations)

asked Oct 24, 2024

1 answer 27.5k views

Two charged objects experience a repelling force. If the charge on both objects is doubled, what will happen to the electrostatic force between them?

answered Sep 10, 2024

1 answer 145k views

What is the pressure in atm of a 5.00 L tank with 4.80 moles of oxygen at 39.3 °C?

answered Aug 29, 2024

1 answer 30.4k views

Between which of the following two nations or territories does Baffin Bay form a natural boundary? A. Canada and Greenland B. Canada and Cuba C. United States and Cuba D. United States and Greenland

asked Jul 18, 2024

1 answer 76.2k views

You want to make a recipe that calls for 2/3 of a cup of flour, but you only have 1/2 of a cup of flour left. Assuming you have 2 enough of the other ingredients, what fraction of the recipe can you make?

asked Jul 15, 2024

1 answer 65.4k views

Starting from rest, a child zooms down a frictionless slide from an initial height of 3 meters. What is the child's speed at the bottom of the slide? A) 4.9 m/s B) 6.0 m/s C) 7.2 m/s D) 9.8 m/s

answered Jun 29, 2024

1 answer 222k views

This police car then moves at a constant speed. a) will the police car overtake the speeder if the police car moves just as the speeder passes it? b) How far has each car travelled ? c) sketch x(t) for

answered May 30, 2024

1 answer 206k views

When we need to determine all possible outcomes for a sequence of events, we use counting rules. a. True b. False

asked May 9, 2024

1 answer 203k views

Drivers are not permitted to wear headsets or have a television receiver visible from the driver seat

answered Apr 15, 2024

1 answer 94.1k views

Dump,' 'oater,' and 'wipe' are terms used in which team sport? A. Badminton B. Volleyball C. Water polo D. Ice hockey

answered Feb 19, 2024

1 answer 172k views

What was inside the lucky money envelope that Marty gave to his father? a. a report card b. a bill c. money d. a picture

answered Feb 13, 2024

1 answer 206k views

Line / bisects FG. Find the value of r. l. 2r=x+15 r÷15 G re r =15. 19. BD bisects LABC. Find m/ABD and m/DBC

asked Feb 10, 2024

1 answer 185k views

compare the experience of farmers, coal miners, and union laborers during the 1920s. what did many have in common?

answered Oct 8, 2023

2 answers 111k views

A fruit stand sells apples, oranges, and bananas. The cost of 1 apple is $0.50, and the cost of 1 orange is $0.60. • Ronald bought 4 apples and 1 banana. • Madison bought 2 oranges and 3 bananas. • The

answered Sep 9, 2023

1 answer 88.6k views

I need help with the problem I post as a picture.

asked Aug 23, 2023

1 answer 197k views

5³ +8-4 /2x (15-2²) - 10

answered Jun 1, 2023

1 answer 59.2k views

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