Themes, topics - math word problems - page 33 of 168
Number of problems found: 3354
- A charge
A charge of 9 C passes through series-connected resistors with resistances of 40 ohms and 60 ohms in 1 minute. a) What voltage are they connected to? b) Calculate the voltage across each resistor. - Resistances 80604 Resistors with resistances of 6 ohms and 10 ohms are connected in series to a voltage of 24 V. a) How much current passes through them? b) What are the voltages on the individual resistors?
- A light bulb
We want to connect a 2.5 V, 0.3 A light bulb to a flat battery. How much resistance and how do we need to connect to the light bulb? - A current
A current of 0.1 A flows in the branch with a resistance of 5 ohms. In the second branch, a current of 0.2 A. Calculate: a) what is the resistance of the second branch, b) to what voltage was the circuit connected? - Resistance 80577
Three identical resistors connected in series have a total resistance of 9 ohms. What will be their total resistance when connected in parallel - Ohms Two resistors of 6 ohms and 8 ohms are connected in parallel to a flat battery U=4.5 V. Calculate: a) the total current, b) the current in the branches.
- Two conductors Two conductors have resistance Rs=5 ohms when connected in series and Rp=1.2 ohms when connected in parallel. Calculate the value of the resistors.
- Decelerated projectile
A projectile was weighing 20 g shoots at a speed of 800 m/s being dug 100 mm deep into the masonry. How long does it brake in masonry assuming uniformly decelerated motion? - Smallest z9
Find the smallest positive numbers a and b for which 7a³ = 11b⁵ - Nightmares 80568
At the dream market, she offered the Sphinx to a traveler for four dreams, seven illusions, two naps, and one nightmare. Another has seven dreams, four illusions, four naps, and two nightmares. The Sphinx always measures the same for all travelers. How ma - Janice Janice said that when you multiply a fraction less than 1 by a nonzero whole number, the product is always less than the whole number. Do you agree? Explain.
- Positive integer integral How many different sets of a positive integer in the form (x, y, z) satisfy the equation xyz=1400?
- Mark drove
Mark drove 3/4 of a 36 km trip before he stopped to get gas. How many kilometers had Mark driven? - Destination 80553
The train traveled along the high-speed line at an average speed of 180 km/h. He left the starting station at 6:00 a.m. and arrived at the destination at 8:40 a.m. But halfway through the journey, he stopped at the station, where he stood for 10 minutes. - Differences 80551
Bolek and Lolek each had their own arithmetic sequence. Both Lolek and Bolek's sequence started with the number 2023 and ended with the number 3023. The two sequences had 26 numbers in common. The ratio of Bolek's and Lolka's difference was 5:2. What is t - Calculate energy
A cheetah weighing 38 kg moves at a speed of 108 km/h. Calculate its kinetic energy. - Electrical 80549
The factory hall is lit by 76 light bulbs, each of which has an input of 200W. Determine how much electrical work will be saved annually if the light is on an average of 100 minutes less per day. Consider 260 business days. - Determines 80548
Find the map's scale, on which a line segment of 15 cm expresses the actual distance of 435 km between Paris and Bern. - Production 80546
In a factory, 10 lines produce many screws in 8 days. How many days will production be extended if two of them fail? - Regulations 80545 The car is allowed to drive on the highway at a maximum speed of 130 km/h. What distance can he travel in 1.5 hours? Which is the furthest city that a driver can reach in 1 hour if he follows traffic regulations and drives from Prague on the highway to Br
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