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
goblinko [34]
3 years ago
7

The S-strain Pneumococcus bacteria had a smooth surface, because ____________________.

Physics
1 answer:
drek231 [11]3 years ago
4 0
The S strain Pneumococcus bacteria had a smooth surface because IT IS SURROUNDED BY A CARBOHYDRATE CAPSULE CALLED THE S STRAIN. The other form, the R strain has a rough surface and no capsule. It is only the S strain that exhibits virulence. 
You might be interested in
The human activities in two locations are described below:
Bogdan [553]
Air pollution level is higher in Location B, because poisonous fumes are produced when coal burns.
5 0
3 years ago
Read 2 more answers
1. A limiting factor for using nuclear energy is the
Goryan [66]

Answer:

waste

Explanation:

took da test. nhgvgg

8 0
3 years ago
Read 2 more answers
Answer question 83 and 84
Ne4ueva [31]
83. Gravity is activity as a force on the cart.

84. The box has gathered kinetic energy and momentum and will continue going forward.
6 0
3 years ago
A ladder rests against a vertical wall at a point 12 feet from the floor. The angle formed by the ladder and the floor is 63°. C
GenaCL600 [577]

Answer:

length of the ladder is 13.47 feet

base of wall to latter distance 6.10 feet

angle between ladder and the wall is 26.95°

Explanation:

given data

height h  = 12 feet

angle 63°

to find out

length of the ladder ( L) and length of wall to ladder ( A) and angle between  ladder and the wall

solution

we consider here angle between base of wall and floor is right angle

we apply here trigonometry rule that is

sin63 = h/L

put here value

L = 12 / sin63

L = 13.47

so length of the ladder is 13.47 feet

and

we can say

tan 63 = h / A

put here value

A = 12 / tan63

A = 6.10

so base of wall to latter distance 6.10 feet

and

we say here

tanθ = 6.10 / 12

θ = 26.95°

so angle between ladder and the wall is 26.95°

8 0
3 years ago
How much force is needed to accelerate a 68 kilogram-skier at a rate of 1.2 m/sec^2?
DiKsa [7]
<span>Answer: Force = 81.6 N

Explanation:
According to Newton's Second law:
F = ma --- (1)

Where F = Force = ?
m = Mass = 68 kg
a = Acceleration = 1.2 m/s^2

Plug in the values in (1):
(1) => F = 68 * 1.2
F = 81.6 N (The force needed to accelerate the skier at a rate of 1.2 m/s^2)</span>
4 0
3 years ago
Read 2 more answers
Other questions:
  • What is the difference between vector and scalar ?
    9·1 answer
  • Motion equation of object is
    6·1 answer
  • An electron is much ___ than a proton but has an equally strong (Though opposite) ____.
    13·1 answer
  • The freezer compartment in a conventional refrigerator can be modeled as a rectangular cavity 0.3 m high and 0.25 m wide with a
    10·1 answer
  • What is the mass of a cart that accelerates at 3.0 m/s if a 0.5 N force is applied?
    6·1 answer
  • A powerful motorcycle can produce an acceleration of 3.50 m/s2 while traveling at 90.0 km/h. At that speed the forces resisting
    12·1 answer
  • What is the relationship between electricity and magnetism? Choose the best answer.
    11·1 answer
  • A person with a near point of 85 cm, but excellent distant vision, normally wears corrective glasses. But he loses them while tr
    15·1 answer
  • AB<br> ca<br> The trough of a transverse wave is BEST shown by choice<br> es - )<br> 8<br> 8
    8·1 answer
  • The ability of a telescope to separate two closely spaced stars is called _____.
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!