Give the acceleration of the ball between 2.0 s and 5.0 s
3
Question 4
4.
Calculate the distance travelled during the first 2.0 seconds of the motion of the ball.
1
Question 5
5.
Force X opposes the motion of the van. State the name of force X
1
Question 6
6.
The resultant force acting on the van is 1500 N. Calculate the magnitude of force X. [assume X is the only horizontal force opposing the motion of the van]
1
Question 7
7.
State the formula linking resultant force, mass and acceleration.
1
Question 8
8.
The mass of the van is 1900 kg. Calculate the acceleration of the van when it brakes (2 decimal places). Give the unit.
1
Question 9
9.
Unit
1
Question 10
10.
Give the name of gas A
1
1
Question 12
12.
What is the percentage of oxygen in the atmosphere?
1
1
Question 14
14.
State the name given to the elements in group 7.
1
Question 15
15.
Give the symbol for an atom of bromine.
1
Question 16
16.
Describe the appearance of chlorine at room temperature.
1
Question 17
17.
Name the organ
2
1
Question 19
19.
Name structure A
1
Question 20
20.
Name structure B
2
Question 21
21.
Name the two gases X and Y
1
Question 22
22.
How much of gas X enters 100 cm3 of blood before the blood leaves the lungs?
1
1
Question 24
24.
Name the structure
3
Question 25
25.
Explain how this structure is adapted to absorb glucose
Which of these gives the two pieces of equipment that could be used to determine the velocity of the ball?
B
C
D
Question 2
2.
Which of these gives the correct formula linking acceleration, change in velocity and time taken?
Question 11
11.
Which of the gases listed below is naturally present in the atmosphere?
A
B
C
D
Question 13
13.
There was very little oxygen in the Earth's early atmosphere.
Which of the following caused the amount of oxygen to increase?
Lungs
Stomach
Heart
Liver
Question 18
18.
State 2 changes to the blood in this organ
Question 23
23.
What term is used to describe how the process of gas exchange takes place?