Physics
Physics
Physics
Physics
Cells
100
John drove 2 loops around a 1km racing track. What is his displacement?
0 km
100
A cyclist travels east 160m in 16 seconds. What is her velocity?
10 m/s east
100
A runner jogs 50m east, then 150m west in 40 seconds. Calculate the runner’s velocity.
2.5 m/s west
100
A cyclist travels 1.5km north in 3 minutes. Calculate her velocity in meters/second
8.33 m/s north
100
Where in the cell is DNA found?
The Nucleus
200
Which of the following graphs represents negative acceleration?
200
Which of the following terms are vector quantities?
Distance, displacement, time, speed, velocity, acceleration.
Displacement, velocity, acceleration.
200
An object of mass 7.5 kg. A force of 15 N is applied to it. Calculate the object's acceleration.
2 m/s/s
200
A car travelling north at 60km/h speeds up to 100km/h in 5 seconds. Calculate its acceleration. (Hint: think carefully about the units of acceleration.)
Use the equation:
2.22 m/s/s north
200
How many chromosomes of DNA do humans have?
46
300
A car is travelling at 15m/s while turning a corner, then accelerates at 3m/s/s. What will be the speed of the car after 6 seconds?
Use the equation:
33 m/s
300
At tennis practice, Timmy is returning serves. The ball exerts a force of 100 N on his racket when it hits.
What is the magnitude of the force the racket exerts on the ball?
100N
300
Which of the following graphs represents zero acceleration?
300
Lawrence has a mass of 85kg. What is the force due to gravity he will experience on Mars?
Acceleration due to gravity on mars is 3.7 m/s/s
314.5 N
300
Similar to DNA, RNA has 4 different nucleotides. Identify the starting letter of each of these nucleotides.
A, U, C, G
400
A man pulls a table cloth out from under plates and glasses on a dining table, but the plates and glass remain safely on the table.
Which of Newton's Laws accounts for this?
Newton's first law.
400
A race car can reach a top speed of 512km/h. It takes 8.3s to come to a stop. Calculate the acceleration during this time. (hint: think carefully about the units of acceleration)
-17.14 m/s/s
400
A cyclist starts from rest and accelerates uniformly at 3.0 m/s² over a distance of 54 m.
How long does he take to cover this distance?
Use one of the equations below:
6 seconds
400
A skateboarder is travelling at an initial velocity of 4 m/s. They accelerate uniformly at 2 m/s² over a displacement of 18 m.
What is their final velocity?
9.4 m/s
400
A section of DNA is unwound to be translated into RNA. Below is the DNA sequence.
ATTGCGTACTCCGGG.
Identify the complementary sequence of RNA to this DNA.
UAACGCAUGAGGCCC
500
A trolley of mass 2.0 kg is moving to the right at 3.0 m/s when it collides with a stationary trolley of mass 1.0 kg. The trolleys stick together after the collision.
What is the velocity of the combined trolleys after the collision?
Use the equation: 
2 m/s to the right
500
A 2kg object is lifted upward with a force of 25N. What is the object's acceleration?
(hint: g = 9.8m/s/s)
2.7 m/s/s
500
A golf ball has a mass of 300g and a kinetic energy of 5.4J. Find its velocity.
Use the equation:
6 m/s
500
A skateboard has a mass of 4.0 kg and a momentum of 20 kg·m/s.
Calculate the kinetic energy of the skateboard.
Use the equations:
50 J
500
What is the term for different versions of the same gene found on a pair of chromosomes?
Allele