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Questions and answers by
Arianne
Questions (14)
1.How much heat is absorbed by a 63g iron skillet when its temperature rises from 12oC to 30oC?
2.How much heat is needed to
3 answers
573 views
A pendulum has 454 J of potential energy at the highest point of its swing. How much kinetic energy will it have at the bottom
2 answers
616 views
If a step-up transformer has a primary coil with 40 turns, how many turns would be required in the secondary coil in order to
2 answers
1,555 views
1-A matching card game contains 48 cards. Each card shows a piece of fruit, and there are 8 cards of each fruit in the deck.
2 answers
2,974 views
You place a bet on the number 21 in roulette. The probability of winning is 1 38 , and the company hosting the casino night for
4 answers
2,483 views
1.What was North Korea’s response to President George W. Bush’s 2001 threat to stop negotiations?
A. North Korea immediately
7 answers
1,479 views
1.What was North Korea’s response to President George W. Bush’s 2001 threat to stop negotiations?
A. North Korea immediately
18 answers
11,354 views
write a paragraph describing how the us government managed the economy during world war I and the economic effects of the
35 answers
7,321 views
Based on the excerpt how does this newspaper article compare to the yellow journalism articles written about the explosion of
5 answers
2,446 views
Assume the distance axis is linear and da = 10.0m and db = 35.0 m. Estimate the work done by a force F in moving a 2.80 kg
2 answers
3,283 views
An electron is accelerated horizontally from rest in a television picture tube by a potential difference
of 1.00 × 104 V. (a)
0 answers
669 views
Two small metal spheres with masses 2.0 g and 4.0 g are tied together by a 5.0 cm long massless
string and are at rest on a
1 answer
1,708 views
An object mass 1,448 g is attached to a spring with spring constant k = 815 N/m. The object is then displaced by a distance d
2 answers
688 views
A hypodermic needle is 1.5 cm long and has an inner radius of 0.016cm. What excess pressure is required along the needle so that
2 answers
672 views
Answers (10)
I don't understand can someone explain is the answer 240 or 2??
And for the second one?
Thanks!
1. 1 8 2. 1 13 ???
2.b 4.d
thanks
1:38 ???
1.D 2.A 3.A 4.c ????
1.D 2.b 3. 4. ????
They had more time for leisure activities.
