1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Sedbober [7]
3 years ago
14

Two vectors A and B are at right angles to each other. The magnitude of A is 3.00. What should be the length of B, so that the m

agnitude of their vector sum is 5.00?
Physics
1 answer:
AfilCa [17]3 years ago
7 0

Answer: length of B =4.00

Explanation:

for  the vectors A and B and the angle between them as  x.

Magnitude of the sum of A and B is  given as = √(A²+B²+2ABcosx

where

Magnitude of A  = 3.00

Magnitude of the sum of A and B is  5.00

5.00=√(A²+B²+2ABcos90°

5.00= √3² +b² +0

5²= 3² +b²

25=9+b²

b²= 25-9

b² = 16

b=  √16

b= 4

You might be interested in
Two 25.0N weights are suspended at opposite ends of a rope that passes over a frictionless pulley. What is the tension in the ro
goldenfox [79]

Answer:

tension in rope = 25.0 N

Explanation:

  • Two forces act on the suspended weight. The force coming down is the gravitational force and the upward force by the tension in the rope.
  • Since the suspended weight is not accelerating so that the net force will be zero. Therefore the tension in the rope should be 25 N.

       ∑F = F - W = 0

       so

       F = W

       so tension in rope = F  = T  = 25 N

8 0
3 years ago
________ serve as the site for photosynthesis.
Amiraneli [1.4K]
The answer is going to be leaves.
6 0
3 years ago
Read 2 more answers
Two particles collide, one of which was initially moving and the other initially at rest. Is it possible for both particles to b
solmaris [256]

Answer:

Not possible

Explanation:

Unless there's some extra external force to keep both particles at rest after the collision, the momentum must be conserved before and after the collision.

So before the collision, 1 particle is at rest, 1 not ->  total momentum is non-zero

After the collision, both particles are at rest -> total momentum is zero which is different from before.

Therefore this is not possible.

4 0
3 years ago
PLZ HELP ME Is there ever a situation where an ant will have more momentum than an elephant? Explain why or why not? Question 2
Shtirlitz [24]

Yes, if the elephant is standing still.

3 0
3 years ago
Read 2 more answers
True or false: electromagnets are an example of how magnetism can create electricity.
cestrela7 [59]

I dont really know but i think the first one is true super sorry

7 0
3 years ago
Other questions:
  • Which condition would cause salinity of ocean water to decrease
    10·2 answers
  • A 56 kg astronaut stands on a bathroom scale inside a rotating circular space station. The radius of the space station is 250 m.
    9·1 answer
  • What is the definition of balanced forces? i need help i cnt find the definition on dictionary.com
    15·1 answer
  • Can some1 pls help me.
    9·1 answer
  • Select Light for the type of wave, adjust the wavelength so that the light is red, and increase the amplitude of the light to th
    10·1 answer
  • Consider a rifle, which has a mass of 2.44 kg and a bullet which has a mass of 150 grams and is loaded in the firing chamber.Whe
    14·1 answer
  • An immersion heater of power J= 500 W is used to heat water in a bowl. After 2 minutes, the temperature increases from T1= 85°C
    11·1 answer
  • Consider the differential equation
    5·1 answer
  • the metal wire in an incandescent lightbulb glows when the light is switched on and stops glowing when it is switched off. the s
    13·1 answer
  • Which chart correctly identifies the properties of electric and magnetic fields?
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!