Which of the following statement is Not true about acceleration?
Anonymous Quiz
6%
Acceleration is defined as the rate of change of velocity.
78%
Acceleration is defined as the rate of change of speed.
6%
Acceleration is measured in m/s².
11%
When an object is uniformly accelerated, its acceleration remains constant.
The gradient of the line of velocity-time is equal to:
Anonymous Quiz
7%
Distance
28%
Displacement
62%
Acceleration
3%
Speed
A cheetah accelerates at 3 m/s² for 5 s. If its final velocity is 24 m/s, then what is its initial velocity?
Anonymous Quiz
52%
9 m/s
24%
39 m/s
17%
16 m/s
8%
5 m/s
If we ignore air resistance then the acceleration of all falling objects can be considered to be uniform.
Anonymous Quiz
73%
True
27%
False
A ball dropped from a height of 4 m. How long would it take to hit the ground?
Anonymous Quiz
11%
3 s
23%
4.5 s
16%
9 s
50%
0.9 s
❤1
How long it takes a ball thrown vertically with a velocity of 20 m/s to reach its maximum height and how height it reaches respectively?
Anonymous Quiz
5%
2 s and 14 m
70%
2 s and 20 m
11%
4s and 14 m
14%
4s and 20 m
🤔1
When an object is in free fall,____.
Anonymous Quiz
7%
its speed is zero
22%
it decelerates and accelerates
15%
its speed is constant
56%
its acceleration is constant.
A ball released from a certain height falls 5m in one second. In 4 second it will fall through:
Anonymous Quiz
16%
80m
24%
40m
53%
20m
6%
10m
🤔3
Which one of the following is the fractional form of the decimal 0.777...?
Anonymous Quiz
58%
7/9
11%
9/7
27%
77/100
4%
7/10
❤1
Which one of the following is a common multiple of 324 and 1152?
Anonymous Quiz
8%
7776
66%
20736
11%
5184
15%
13824
If a - b = 18.4 and a + b = 15, what is the value of a² - b²?
Anonymous Quiz
35%
276
30%
33.4
22%
184
13%
270.4
What are the quotient and remainder respectively, when 75 is divided by 20?
Anonymous Quiz
9%
4 and 5
83%
3 and 15
4%
2 and 19
4%
15 and 3
What is the value of (1,000,001)² - (999,999)²?
Anonymous Quiz
44%
4,000,000
35%
1,000,000
16%
2,000,000
5%
200,000
Which one of the following is necessarily true about any real number x and y where x < 0 < y?
Anonymous Quiz
8%
( x + y ) < 0
26%
|y - x| = -( y- x )
28%
( x + y ) > 0
38%
|x - y| = -(x - y)
If x and y are a prime numbers such that x > y > 2, then x² - y² must be divisible by one of the following numbers.
Anonymous Quiz
20%
3
43%
4
35%
5
2%
9