Physical quantity - math word problems - page 181 of 344
Number of problems found: 6873
- Nails
If a keg of nails costs $129.45 and 6/7 of the keg is used, what is the value of the remaining nails? - Pins
Sarah bought nine pins, and Eva bought four pins and saved 2 euros. How many pins did Dana buy when she had 3 euros? - Christmas
Calculate how much of the school year (206 days long) take Christmas holidays 19 days long. Answer write as a decimal number and as a percentage. - Heat transfer
We placed a lead object weighing 0.4 kg and 250°C in 0.4 L water. What was the initial temperature of water t2 if the object's temperature and the water after reaching equilibrium was 35°C? We assume that the heat exchange occurred only between the lead o - Strawberries 82738
Three classmates worked part-time during the summer vacation harvesting strawberries. Jan collected 145 baskets of strawberries during the entire brigade. Peter collected 185 baskets. How many baskets did their classmate Stan collect if we know that the b - The coordinates
The coordinates (5, 2) and (-6, 2) are vertices of a hexagon. Explain how to find the length of the segment formed by these endpoints. How long is the segment? - Parametric form
Calculate the distance of point A [2,1] from the line p: X = -1 + 3 t Y = 5-4 t Line p has a parametric form of the line equation. - Wool ball
Mrs. Black used 1.2 kg of wool to knit the sweater. The shop sold a wool ball weighing 100 grams for 39 CZK. How much money would she save if she knitted the sweater herself than if she bought it for CZK 720 in the shop? (CZK is Czech currency = Kč) - Two places
The distance to the places is 60 km. From A place, a pedestrian came out at a speed of 4 km/h, and at the same time, a car drove against him from place B. What was the car's speed if the pedestrian met him in 90 minutes? - Thunder and lightning
There was a glimpse of the sky, and we heard thunder in 4.5 seconds. The light spreads at 300,000 kilometers per second, so we can assume the flash instantly without delay. However, the sound's speed is much lower in the air, one-third of a kilometer per - Speed of sound
The average speed of sound is 330 meters per second. Estimate how long it will take to hear the church bell 1 km away. Calculate the distance from what you would hear sound after 10 seconds. - Triceratops 2868
Triceratops was admitted to the enclosure 10 minutes earlier than Stegosaurus but 6 minutes later than Diplodukos. Diplodukos was the first to leave the enclosure 7 minutes before Stegosaurus and 10 minutes before Triceratops. How many minutes were the Tr - Chained winch
When digging a well, a chained winch balances the material. An empty shackle weighs 8 kg, a total of 64 kg. What force must the worker exert on the crank handle when pulling the shackle with a constant movement from a depth of 5 m if the shaft diameter is - Performance 7737
Zdenek, weighing 54 kg, made 15 push-ups on the crossbar. The height he reached was about 40 cm. What kind of work did he do? What would have been his performance if the whole exercise had taken him a minute and a half? - 100-meter 6403
Jarka cycled a 100-meter distance at a speed of 30 km/h. What speed would she have to go to get it in a time equal to the world record in the 100m sprint (WR t = 9.58 s)? - Calculate 5816
A Boeing plane took off from the airport and flew at a speed of 900 km/h. When it had flown 600 km, a fighter plane was sent after it from the same airport, which flew at a speed of 2100 km/h. Calculate how long it took him to catch up. - Calculate: 5656
Janko is skating at a speed of 18 km/h. Its kinetic energy is 0.5 kJ. Janko weighs 40 kg. Calculate: 1. what work will the braking forces do before Janko stops? 2. How big is the braking force when Janko stops after crossing a track of 14 m.? - Well-known 5640
Students want to get from Žilina to Bratislava for a concert by a well-known music group. The distance between these places is 200 km. The estimated average speed is 80 km per hour. How long will it take them to travel? - Segment - ratio
Calculate the size of the new segment that is created by changing the segment CD = 12 cm in the ratio 4 : 3. - A sum 2
A sum of money is divided between Laura and Joan in the ratio of 2:3. Laura gets 8 pesos. How much did Joan get?
Do you have unsolved math question and you need help? Ask a question, and we will try to solve it. We solve math question.
