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Grade 11 Questions asked by Filo students

Views: 5,101

[0] (b) (i) Explain how the body prevents particles in inspired air from reaching the gas exchange surfaces.

.4]

Topic:

Energy and respiration

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Views: 5,375

(c) Complete Table 4.1 to describe the effects of the hormone released when a person is in a dangerous situation. Table 4.1 [4]

Topic:

Human Physiology

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Views: 5,578

If the resultant of 2 equal vectors is equal to F then the angle between the vectors is?

Topic:

Vector and 3D

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Views: 5,689

4. Two loudspeakers,

A

B

, are driven in phase and with the same amplitude at a frequency of

850 Hz

P

22.5 m

A

24.3 m

B

. The speed of sound is

340 m s^{- 1}

. (a) Deduce that a minimum intensity of sound is heard at

P

Topic:

Waves & Oscillation

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Views: 5,885

Topic:

Algebra 2

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Views: 5,084

Reaction Time:-

S = u t + 1/ v a^{2} g = 1.98 m / s^{2} initial velocity = 0 Time = ? distance = 7 Fem

Topic:

Kinematics and Laws of Motion

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Views: 5,030

z= -1-iroot3 ; find modulus and argument

Topic:

Mathematics

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Views: 5,164

write a pyhton script to input an integer n and find the sum of the follwing .

1!+2!+3!+4!.....+n!

Topic:

Integers

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Views: 5,244

which observatios suggest that a cell eukaryotic

Topic:

Cell: Structure and Functions

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Question 10

Views: 5,679

MEDIUM The kinetic energy

E_{k}

of an object of mass

m

moving at speed

v

E_{k} = \frac{1}{2} m v^{2}

. If the speed of an object is increased by a factor of 3 , how will its kinetic energy change?

Its kinetic energy will increase by a factor of 9 .
Its kinetic energy will decrease by a factor of 9 .
Its kinetic energy will increase by a factor of 3 .
Its kinetic energy will decrease by a factor of 3 .

Topic:

Algebra

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Question 11

Views: 5,485

Above is a graph of the distance vs. time for car moving along a road. According the graph, at which of the following times would the automobile have been accelerating positively?

$0, 20, 38, &60 min$ .
$5, 12, 29, &35 min$ .
5,29 , \& $57 min$ .
$12, 35, &41 min$ .

Topic:

AP Physics 1

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Question 12

Views: 5,914

A large beach ball is dropped from the ceiling of a school gymnasium to the floor about 10 meters below. Which of the following graphs would best represent its velocity as a function of time? (do not neglect air resistance)

Topic:

AP Physics 1

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Question 13

Views: 5,889

(D Questions 26-27 A car starts from rest and accelerates as shown in the graph below. 26. At what time would the car be moving with the greatest velocity?

2 seconds
4 seconds
6 seconds
8 seconds

Topic:

AP Physics 1

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Question 14

Views: 5,354

At what time would the car be farthest from its original starting position?

2 seconds
4 seconds
6 seconds
8 seconds

Topic:

AP Physics 1

View solution

Question 15

Views: 5,205

A curve is such that dy/dx =3-2x and (1,11) is a point on the curve. A line with gradient 1/5 is a normal to the curve at the point (4,5) . Find the equation of this normal.

Topic:

Integration

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Question 16

Views: 5,685

What is the electron configuration of cerium?

Topic:

Atomic Structure

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Question 17

Views: 5,225

Atorvastatin is a member of the drug class known as statins, and are used for lowering blood cholesterol. Which of the following functional group is not present in the given compound: CC1CCCCC1c1c(C(=O)N(C)c2ccccc2)c(-c2ccccc2)c(-c2ccc(F)cc2)n1CC[C@H](O)C[C@@H](O)CC(=O)O

Carboxylic acid
Amide
Alcohol
Aldehyde

Topic:

Chemistry

View solution

Question 18

Views: 5,739

How many different functional groups are present in given compound? . CC(=O)C1CC(C(=O)O)CC2C(O)CC(C=O)CC12

3
4
1
5

Topic:

Chemistry

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Question 19

Views: 5,108

Which of the following functional group is not

0 present in the given compound:
2

Topic:

Chemistry

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Question 20

Views: 5,408

Nomenclature DPP-02 1. Atorvastatin is a member of the drug class known as statins, and are used for lowering blood cholesterol. Which of the following functional group is not present in the given compound: CC(C)c1c(C(=O)N(c2ccccc2)c2ccccc2)c(-c2ccc(F)cc2)c(-c2ccccc2)n1CC[C@H](O)C[C@H](O)CC(=O)O

Carboxylic acid
Alcohol
Amide
Aldehyde

Topic:

Chemistry

View solution

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