Engineering
Sandeep construction company has enough asphalt to complete 2/3 of a 99 mile road. How much of the road will be finished?
66
A plant is one foot tall. Every year it grows 30% taller. How tall will it be in 4 years?
2.856 feet tall
If an oxygen atom has 8 protons and a hydrogen atom has 1 proton, how many total protons are in 3 water molecules (H₂O)?
30 protons
Tommy traveled 30 m in 10 seconds, what is his speed?
3 meters/second
What is the star that marks directly north if you look up in the night sky?
North Star
A room in the shape of a triangle has a base of 12 feet and a height of 8 feet. How much carpet is needed to completely cover the floor?
48 feet^2
Bob's resting heart rate is 76 beats a minute. How many times does his heart beat in 3 days?
328,320 times in 3 days
A molecule of carbon dioxide (CO₂) has 1 carbon atom and 2 oxygen atoms. How many atoms are there in 5 molecules of CO₂?
15 atoms
LeBron runs at 18 mph, & he does this for 17 hours straight. How far does he run?
306
What is the name of the constellation that has the name “the Hunter”
The OriOn
A park is being designed with a walking trail that needs to be lit by hanging lamps. Each lamp can cover 12 feet of path, and the path is 150 feet long. How many lights will be needed to make sure the entire path is lit?
13
There are 100 students in a room. 26 have type A blood, 17 have type B, 37 have type AB and the rest have type O. Someone with type A blood (not of the hundred) needs a donation. How many people can they receive a donation from?
46
In a molecule of methane (CH₄), the ratio of carbon atoms to hydrogen atoms is 1:4. If there are 12 hydrogen atoms, how many carbon atoms are there?
3 carbon atoms
Jack is running at 8 m/s and travels 124 meters. How long does he take to travel that distance?
15.5 seconds
What is the name of the robot that NASA put on Mars?
The Perseverance Rover
A building is constructed of 3 identical cubes stacked upon one another. The side length of each cube is 3 feet. What is the volume of the building?
81 feet^3
Sam was 2 feet tall at 4 years old. At 16 years old he is 6 feet. What was his rate of growth
.333 feet/year
The atomic number of nitrogen is 7, and oxygen is 8. What is the sum of the atomic numbers of 2 nitrogen atoms and 3 oxygen atoms?
38
Steph throws a ball upwards with a speed of 15 m/s. Given that the function for height (y) can be modeled as y = vit + ½ at2, where vi is the initial speed of the ball, a is -10 m/s2, and t is time elapsed in seconds, how high is the ball after 2 seconds?
10 m
Two black holes are colliding. Each is moving at 300 m/s, and they start at 500 km from each other. How long will it take for them to collide?
13.89 mins
To build a wheelchair accessible ramp, you need a gentle slope. For every 1 inch in height, the ramp should be 12 inches long. If the ramp needs to be 2 feet tall, how long does the ramp need to be in feet?
24
To maintain balance in a pond's ecosystem, each level of the food chain needs the right number of creatures... For every fish, there should be 2 plants. For every bird, there should be 2 fish and for every snake, there should be 2 birds. If there are 64 snakes in the pond, how many plants are needed?
512
An ion of sodium (Na⁺) has a +1 charge, and an ion of chloride (Cl⁻) has a -1 charge. How many Na⁺ ions are needed to balance 10 Cl⁻ ions?
10 Na⁺ ions
A package weighing 6 kg is pushed from rest to 10 m/s over 4 seconds. What is the total force exerted on the package? (Hint: Acceleration (a) can be modeled as a = (vf-vi)/t, where vf and vi are the final and initial speeds of the package, and t is the time elapsed, and force is equal to mass times acceleration) **Keep in mind that the units for force are in Newtons (N)
15 N
if a black hole has a volume of 2058pi and the volume of a sphere is 4/3 pi r^3, what is the radius of this mini black hole?
14