sid

This page lists questions and answers that were posted by visitors named sid.

Questions

The following questions were asked by visitors named sid.

A person makes a quantity of iced tea by mixing 500g of hot tea(c=4190J/(Kg.k) with an equal mass of ice(T=0c, L=333KJ/Kg). assume that mixture has negligible energy exchange with environment. If tea's initial temperature is 90c, then what is the temperat...

what is population distribution

when adding or subtracting rational exprssions, why do you need an LCD

what are extraneous solutions of an equation? Why do they sometimes occur in the process of solving rational equations? examples

3/14 of rosebuds in a garden bloomed yesterdday and 2/5 of the remaining rosebuds bloomed today.66 rosebuds have not yet bloomed.how many rosebuds were there in total? how many rosebuds bloomed today?

if a wire of length 12cm it stress up to 25m what will be the final resistance .it initial resistance is 16ohm?

Rosy has been jogging for 3 weeks. In the first week She jogged 3 days each for 4/6 of an hour. During week 2 she jogged for 3/4 of an hour on 2 days. In week 3 she jogged 4 days each for 3/5 of an hour . WRITE one expression that would show the total tim...

the following reaction occurred at 45 degrees all gases h2+f2=2hf the equlibrium conc in a 5ml container are h2=.0500m, f2=.0100m and hf =.400m. if .200ml of f2 is added calculate the concentrations and pressures of all gases once equlibrium is rfeestabli...

The most common reason for dropping out of a cardio program is?

The type of current in your home is mostly A. direct current. B. alternating current. C. series current. D. produced by batteries.

What type of current is produced by a battery? A. parallel current B. alternating current C. direct current D. potential current

If you know the power rating of an appliance and the voltage of the line it is attached to, you can calculate the current the appliance uses by A. multiplying the voltage by the power. B. subtracting the power from the voltage. C. dividing the voltage by...

A device that changes mechanical energy to electrical energy by rotating a coil of wire through a magnetic field is called a(an) A. transformer. B. generator. C. electromagnet. D. current meter.

What creates a magnetic field? A. charged particles that do not move B. moving electric charges C. gravity D. an isolated magnetic pole

A transformer has a primary coil with 600 turns and a secondary coil with 300 turns. If the output voltage is 320 volts, what is the input voltage? A. 8 volts B. 150 volts C. 640 volts D. 600 volts

If a step-up transformer has a primary coil with 15 turns, how many turns would be required in the secondary coil in order to increase the voltage from 80 volts to 160 volts? A. 8 turns B. 30 turns C. 80 turns D. 160 turns

20g of NaHCO3 Treated with 22g of HCl Producing 12g of the residue. What is the amount of co2 Formed ?

When 4.2g of NaHCO3 is added to a solution of CH3COOH Weighing 10g, it is observed that 2.2g of co2 is realised into the atmosphere . The residue left is found to be 12g . Show that this observations are in agreement with the law of conservation of mass?

A boy spent one-half of his money for a book and one-third of his money for a pen. The remaining $2.25 he saved. How much money did he have originally?

When children think in a convergent manner: A. They center on already-known facts. B. They are able to think in many different directions about a problem. C. They are thinking creatively. D. They are thinking intuitively.

the graph shows a non standard normal distribution curve with a mean of 59.0 and a standard deviation of 6.7. Find the area of the shaded region. *there's a picture of the curve, the shaded region is labeled with the value 64.2 Choices: a. 0.2177 b. 0.782...

your supervisor has just asked you to prepare 500ml of 3.00M HNO3 solution for tomorrow's undergraduate experiment. The Stock Solutions cabinet is under the Stockroom Explorer. You will find find a 2.50 liter bottle containing 15.4M HNO3. Please prepare a...

Evaluate the integral. ∫(from π/6 to 3π/4) π(sin^2x+2)^2 - 4

Answers

The following answers were posted by visitors named sid.

thank u so much drwls

A stick of length l = 60.0 cm rests against a wall. The coefficient of static friction between stick and the wall and between the stick and the floor are equal. The stick will slip off the wall if placed at an angle greater than θ = 49.0 degrees. What is...

I want it in grams

I want this answer

What is the answer?

wtf this doesnt make sense bruh u suck

I figured it out, its 5

still BAC for 2022 :]

I just took the test rn 1. 26 2. 28 mm 3. 13 in, 84 in, 85 in 4. 7.5 m 5. 28.3 cm