subject
Physics, 23.02.2021 03:40 3steves

4. A cinder block is sitting on a platform 20 m high. It has a mass of 4 kg. The block has energy. Calculate it. 784 J

3136 J

847

80 J

ansver
Answers: 3
Show answers

Another question on Physics

question
Physics, 22.06.2019 06:00
A1,700kg car is being used to give a 1,400kg car a push start by exerting a force of 140n the impulse on the smaller car during the 30.0s of contact is +670kg*m/s. what is the impulse of the smaller car on the larger car? -814 kg*m/s 0kg *m/s -670kg*m/s -550kg*m/s
Answers: 1
Answer
question
Physics, 22.06.2019 07:30
Identify the theory that can be used to explain each phenomenon. answers diffraction: wave theory interference: wave theory reflection: both particle and wave theories refraction: both particle and wave theories
Answers: 3
Answer
question
Physics, 22.06.2019 16:00
Two balls, each with a mass of 0.5 kg, collide on a pool table. is the law of conservation of momentum satisfied in the collision? explain why or why not
Answers: 1
Answer
question
Physics, 23.06.2019 01:30
Energy transformations that involve one transformation from one type of energy to another are called transformations.
Answers: 1
Answer
You know the right answer?
4. A cinder block is sitting on a platform 20 m high. It has a mass of 4 kg. The block has energy. C...
Questions
question
Business, 13.03.2020 02:32
All of the transactions of Harding Trading Co. for the year have been journalized and posted. The following information has been gathered for the adju...
question
Mathematics, 13.03.2020 02:32
30 total girls and boys areplanning for a picnic.There is a ratio of 10 girlsto 5 boys.How many boys arethere?...
question
Mathematics, 13.03.2020 02:32
Why is it important to keep two sides of an equation balanced when solving?...
question
Mathematics, 13.03.2020 02:32
A box contains blue, green and white beads. The ratio of the number of blue beads to the number of green beads to the number of white beads is 5:2:3....
question
Mathematics, 13.03.2020 02:32
An automobile battery manufacturer offers a 39/50 warranty on its batteries. The first number in the warranty code is the free-replacement period; the...
question
Physics, 13.03.2020 02:32
An atomic nucleus suddenly bursts apart (fissions) into two pieces. Piece A, of mass mA, travels off to the left with speed vA. Piece B, of mass mB, t...
question
Mathematics, 13.03.2020 02:32
The base and sides will cost $.01 per cm2 to produce but the top, which is plastic and resealable, will cost $.02 per cm2 to produce. What should the...
question
Chemistry, 13.03.2020 02:32
The chief chemist for a major oil and gasoline production company claims that the regular unleaded gasoline produced by the company contains on averag...
question
Mathematics, 13.03.2020 02:32
Lacey's mom makes her a birthday cake in the shape of an "L". Lacey loves frosting, so her mom covers the entire outside of the cake in frosting, even...
question
Mathematics, 13.03.2020 02:32
HURRY 30 POINTS. A scientist studies the population of an insect colony. She begins her study with 10,000 insects in the colony and measures the...
question
English, 13.03.2020 02:32
Which choice begins with a gerund phrase and ends with a participle phrase? A) I wept in bed for hours after a long, sad week. B) I was b...
question
Biology, 13.03.2020 02:32
Assume that some members of an aquatic species of motile, photosynthetic protists evolve tobecome parasitic to fish. They gain the ability to live in...
question
Social Studies, 13.03.2020 02:32
Tolman demonstrated that rats could learn to run a maze correctly even though they were never reinforced for successfully running through it. This dem...
question
Mathematics, 13.03.2020 02:32
We can think of the expected value of a random variable X as . Multiple Choice the long-run average of the random variable values generated over 100 i...
question
Mathematics, 13.03.2020 02:32
The difference of two numbers is 48. The larger number is three times the smaller number. Find the numbers....
question
Business, 13.03.2020 02:32
Ted has always had difficulty saving money, so on June 1, Ted enrolls in a Christmas savings program at his local bank and deposits $750. That money i...
question
Mathematics, 13.03.2020 02:32
The altitude (i. e., height) of a triangle is increasing at a rate of 3.5 cm/minute while the area of the triangle is increasing at a rate of 4.5 squa...
question
History, 13.03.2020 02:32
Which quote from Churchill’s speech “The Sinews of Peace” indicates the need to build up the military in the face of the Soviet threat? In...
question
Geography, 13.03.2020 02:32
The side of a square is a units long. What is the length of the diagonal? Elimination Tool 4a units B e units C
question
Physics, 13.03.2020 02:32
The charge q4 is now replaced by charge q5 which has the same magnitude, but opposite sign from q4 (i. e., q5 = 1.5 μC). What is the new value for the...
More questions: Physics Another questions
Questions on the website: 13722363
See results (0)