Physics High School

What is angle between the vectors 2i -3j +K
and 3i +2j
?
a. 90°
C. 60°
b. 0°
d. 120°​

Answers

Answer 1

Answer:

the answer is B

Explanation:

edg 2020

Related Questions

The attaction between magnets is a chemical property.
True
Or
False

Answers

Answer:

false its an attraction property

Answer:

True

The attraction is a chemical property.

Which is not an Ultimate Frisbee rule?

Answers

You can’t run with the disk, so the answer is B
b
Step by step explanation

Which of the following has the most kinetic energy?
A. stretching a rubber band
B. a jet flying through the air
C. throwing a paper airplane
D. pitching a baseball

Answers

B and C
Throwing an paper airplane & A jet flying through the air.

If you are in a car that is being pulled down a 56 m path with a force of 12.5
N, what is the work being done?

Answers

Answer:

answer is 700 joules

Explanation:

work is equal to force into displacement

W=12.5*56

700 joules

What is the kinetic energy of a 25kg object moving at a velocity of 2.5 m/s

Answers

Answer:

78j

Explanation:

78.125J to be exact

Can someone pls help me. WILL MARK U BRAINLIEST!!!

Answers

You can look up the answer key to that , that’s what I always do and it always pops up

A force of 3kN acts on a car to make it accelerate by 1.5m/s/s. What is the mass of the car?

Answers

Answer:

2

Explanation:

To find force it's force = mass times acceleration so to find mass you would divide force by acceleration

Please HELP ME If the motion of an object changes, what must be true about the forces acting on that object?

Answers

Answer:

If there is a net force acting on an object, the object will have an acceleration and the object's velocity will change. ... Newton's second law states that for a particular force, the acceleration of an object is proportional to the net force and inversely proportional to the mass of the object.

Explanation:

If the motion of an object changes, the net force on the object is greater than zero or the forces acting on the object is unbalanced.

According to Newton's second law of motion, the force applied to an object is directly proportional to the product of mass and acceleration of the object. The object will move in the direction of the applied force.

When the net force on an object is zero, the object will be remain at rest.

However, when the net force on object is greater than zero, the object will move in the direction of the greater force.

Thus, we can conclude that if the motion of an object changes, the net force on the object is greater than zero or the forces acting on the object is unbalanced.

Learn more here:https://brainly.com/question/19887955

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