Suppose two clowns on skateboards are standing motionless on a smooth surface 2.0 m apart. Clown B tosses a 5.0 kg medicine ball to Clown A. After the throw the medicine ball is traveling with a speed of 10 m/s. What is the resulting velocity of Clown B after throwing the ball? *Indicate which direction is positive.
Answers
Answer:
Explanation:
Suppose two clowns on skateboards are standing motionless on a smooth surface 2.0 m apart. Clown B tosses a 5.0 kg medicine ball to Clown A. After the throw the medicine ball is traveling with a speed of 10 m/s. What is the resulting velocity of Clown B after throwing the ball? *Indicate which direction is positive.
By momentum conservation
Momentum of ball = 10 . 5 = 50 kg m/s
left
Right
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Answers
Answer:
There you go
Explanation:
When a physical change occurs, the mass of the substance is conserved. This means that the total mass of the substance remains the same from beginning to end. The physical properties of the substance, such as size and shape, may change, but the amount of matter in the substance does not change.
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The weight of a 2959.0-kg car that is moving at a speed of 21 m / s would be 28998.2 Newtons, here speed of the car is the redundant value that is not used to calculate the weight of the car.
What is gravity?
It can be defined as the force by which a body attracts another body toward its center as the result of the gravitational pull of one body and another.
As given in the problem, we have to determine the weight of a 2959.0-kg car that is moving at a speed of 21 m / s .
The weight of the car = mass of the car × acceleration due to gravity
= 2959 × 9.8
= 28998.2 Newtons
Thus, the weight of a 2959.0-kg car that is moving at a speed of 21 m / s would be 28998.2 Newtons.
To learn more about gravity here, refer to the link given below ;
#SPJ2
weight=mass*gravity
w=2959.0*10
w=29590N
Answers
P=I*V
now power= 7amps*110volts
Power coffee maker uses is 770 watts.
Answer: The correct answer is 770 W.
Explanation:
The expression of the power in terms of potential and current is as follows;
P=VI
Here, P is the power, V is the potential and I is the current.
It is given in the problem that A coffee maker uses 7 amps of current and 110 volts.
Calculate the power of a coffee maker.
P=VI
Put I= 7 A and V= 110 V.
P=(110 V)(7 A)
P= 770 W
Therefore, the power of the coffee maker is 770 W.
Answers
Answer:
Electricity?
Explanation:
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Answer:
DE HECHO EL SONIDO DÍ PUEDE ATRAVESAR LAS PAREDES, PERO
CUANDO ENTRA EN LA PARED, EL SONIDO VIAJA MÁS RÁPIDO QUE EN EL
AIRE Y CUANDO SALE DEL OTRO LADO, EL SONIDO VA A UNA
VELOCIDAD ALTA, POR ESTO LSA VOCES SE ESCUCHAN AUNQUE NO
MUY CLARAS.
Explanation: