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
ale4655 [162]
3 years ago
9

Solve for real t: -25=20t-5t^2

Physics
1 answer:
PolarNik [594]3 years ago
3 0
Answer should be <span>t=<span>−<span><span>1<span> or  </span></span>t</span></span></span>=<span>5</span>
You might be interested in
A 5000 g toy car starts from rest and moves a distance of 300 cm in 3 s under the action of a single constant force. Determine t
sveticcg [70]

Answer:

3.33 N

Explanation:

First, find the acceleration.

Given:

Δx = 3 m

v₀ = 0 m/s

t = 3 s

Find: a

Δx = v₀ t + ½ at²

3 m = (0 m/s) (3 s) + ½ a (3 s)²

a = ⅔ m/s²

Use Newton's second law to find the force.

F = ma

F = (5 kg) (⅔ m/s²)

F ≈ 3.33 N

4 0
3 years ago
Please!! List three things that can affect solubility.
Dennis_Churaev [7]
Nature of the solute and solvent, Temperature, and Pressure all affect solubility.
7 0
4 years ago
What are the effects of pressure on liquids?
Vitek1552 [10]

Answer: Changes in pressure have very little effect on the volume of a liquid. Liquids are slightly incompressible because any increase in pressure can only slightly minimize the distance between the closely packed molecules. Hope this helps.

Explanation:

3 0
3 years ago
Read 2 more answers
How many atoms are in a lightbulb
Gre4nikov [31]
It depends on the size, material, shape, etc.
8 0
3 years ago
Una esfera homogénea de radio r y peso W resbala en un piso bajo la acción de una fuerza horizontal constante P aplicada a una c
bearhunter [10]
Garlic Butter Shrimp Scampi can be enjoyed as an appetizer/light meal OR for dinner with your favourite pasta of choice! You can also keep it low carb and serve over zucchini noodles or with steamed cauliflower! Either way it’s delicious and even better than an Italian restaurant Scampi!
4 0
3 years ago
Other questions:
  • Suppose that we repeat the experiment, except that we place the sodium flame in a strong, localized electric field. The field ch
    9·1 answer
  • An 1,820 W toaster, a 1,420 W electric frying pan, and a 55 W lamp are plugged into the same outlet in a 15 A, 120 V circuit. (T
    11·2 answers
  • Which term refers to a quantity that has both magnitude and direction?
    14·2 answers
  • The substances listed on the left side of a chemical equation are the _____.
    14·2 answers
  • A toy car travels at 5.3 m/s. The car travels a distance of 17.8 m. How long did it
    10·1 answer
  • What are the evidences of molecular theory of magnetism​
    7·1 answer
  • A typical meteor that hits the earth's upper atmosphere has a mass of only 2.5 g, about the same as a penny, but it is moving at
    15·1 answer
  • How would life be different for people in Basel Switzerland if they didn’t have the Rhine river
    11·1 answer
  • Which one of the following best describes a fuse?
    14·1 answer
  • A dumbell has a mass of 95 kg. What force must be applied to accelerate it upward at 2.2 m/s2?
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!