Recent content by MoniMini

In the first case 4D. In the second case 2D. Ah, I see... Just as the car approaches the truck, so does the image of the car in the mirror, therefore the apparent distance covered is 2 times the actual distance covered by the car. So, can we conclude that since 2 = d/t, 2d/t= 2(2)=4 ?

Suppose a driver his reversing his car with a speed of 2m/s, the driver sees in his rear-view mirror (which is a plane mirror) the image of a truck parked behind his car. What will be the speed at which the image of the truck appears the driver? According to me, since the distance between the...

Umm...That's the problem...I'm not being able to do that :(

Aditya rides a bicycle from town P to town Q with a constant speed. If he increases his speed by 3 m/s, he will arrive to town Q three times faster. How many times faster will Aditya arrive to town Q, if he increases his speed by 6 m/s s=\frac{d}{t} [b] Let his constant speed be x...

Thanks a TON! You explained it really well. I got the correct anser. I don't know how to type in the mathematical symbols and all, but on paper I calculated and the result was 63.8°C which is the correct answer. Thanks again :) ~MoniMini

Hi ! "What is the speed of a satellite which is at a height of 320 kn and has a time period of 90 minutes" I've never come across such a question ever before. Is there any formula to solve this problem? or do we have to use S= d/t And what exactly does "time period" mean here? The time...

Hello all, I'm having trouble solving the given problem. "Assuming that no heat is lost to the surrroundings, what will be the final temperature when 1 kg of water at 10°C is mixed with 5 kg of water at 80°C" Taking the mean of the 2 fluids will not help here since their mass is...

Hello, We had a Science test today and just after the test the teacher gave out the answers to all questions. I had a doubt which I wanted to ask. Hope you can help me... Homework Statement A person can lift 60 kg of weight on the Earth. How much weight will the respective person be...

There is no diagram attached to the question :rolleyes:

I don't have any idea how to go about this... Please help!:frown: A pinhole camera produces an image of an object kept at a distance of 100m from the pin hole. If the screen is 10 cm from the pin hole and the image is 5 cm high, what is the height of the object Any help will be...

Thnx a Lot Simon Sir! I didn't know what a period is (i'm just in the 6th grade :P) so I assumed it is something like L - S - R - S - L... Thnx for the clarification :smile:

I am getting confused regarding what a 'period' in a pendulum is. In a recent Olympiad/Exam I was given this question... Can you please give me the method in which it can be done so that I can solve these type of questions with ease if they appear in future... Thanks :smile: A Pendulum...