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Student12
Questions and answers by visitors named
Student12
Questions (18)
Strictly speaking, NO system can be completely closed - for example, hot liquid in the best thermos eventually cools down - but
4 answers
648 views
Would a precipitate form if 200 mL of 0.006 M AgNO3 were added to 700 mL of a 0.005 M solution of K2CO3?
4 answers
1,403 views
Calculate the mass of solid AgNo3 that can be added to 2.0 L of 0.10M K2CrO4 solution in order to just start precipitation?
Here
3 answers
1,345 views
A water wave with a wavelength of 35.6 cm approaches a wall with a large opening in it. The hole begins to close. What size does
2 answers
687 views
A wave with an amplitude of 31 mm interferes with another wave that has the same wavelength, an amplitude of 13 mm.
a) What is
3 answers
566 views
A light wave strikes a lake at an angle of incidence of 65.4 degrees. At what angle of refraction will this wave travel through
2 answers
755 views
A plane directly east at a velocity of 860 km/h for 45 min and then travels directly west with a velocity of 720 km/h for 1h and
2 answers
696 views
A spaceship travels through space at a constant velocity of 3.00 x 10^2 m/s. What is the net force acting on the spaceship?
1 answer
448 views
A blue billiard ball with mass m crashes into a red billiard ball with the same mass that is at rest. The collision results in
3 answers
831 views
What is the mass of water that has its temperature raised from 27°C to 32°C when it is heated by 5.0 x 106 J of heat energy?
1 answer
354 views
A 2.0kg block of wood starts at rest and slides down a ramp. Its initial height is 12.0m. If the final velocity of the block is
2 answers
651 views
A rocket speeding through space at 0.3c launches a small satellite. If the satellite is launched with its own velocity in the
1 answer
694 views
Two boys are pulling a girl along on a tobaggan. Each boy pulls on a rope attached to the same point on the front of the
3 answers
1,033 views
Two boys are pulling a girl along on a tobaggan. Each boy pulls on a rope attached to the same point on the front of the
3 answers
1,240 views
A dedicated physics student pulls his brand new shiny red wagon along a level road such that the handle makes an angle of 50
2 answers
1,045 views
What airspeed would a plane have to travel to have a groundspeed of 320 km/h [S] if there is a 50.0 km/h wind coming from the
2 answers
1,053 views
Please write a multi-paragraph (2-3 paragraphs) expository composition of approximately 300 words with properly integrated
4 answers
732 views
Strictly speaking, NO system can be completely closed - for example, hot liquid in the best thermos eventually cools down - but
2 answers
523 views
Answers (3)
No problem Angel :)
Your answers are except for the third one. Cell phones use microwaves (a type of radio waves ).
I don't understand the second part. What do you mean by max 180 out of phase: subtract?
