Physics, asked by ramiladeviselvakumar, 9 months ago

A toy car travels from A to B at a constant speed
of 20 km/h and immediately returns to A at a
constant speed v. If the average speed of the car
is 24 km/h, then v is
(1) 24 km/h
(2) 28 km/h
(3) 30 km/h
(4) 32 km/h​

Answers

Answered by Angelsonam
10

Answer:

hope this will help you and guys plz follow me i am new here and also marked me as brilliant and also give thanks to all my answers on my profile

Explanation:

&lt;!DOCTYPE html&gt;</p><p></p><p>&lt;html lang="en"&gt;</p><p></p><p>&lt;head&gt;</p><p> </p><p>&lt;title&gt;CUBE&lt;/title&gt;</p><p></p><p>&lt;/head&gt;</p><p></p><p>&lt;body&gt;</p><p></p><p>&lt;div class="container"&gt;</p><p></p><p>&lt;div id="cube"&gt;</p><p></p><p>&lt;div class="front"&gt;Follow&lt;/div&gt;</p><p></p><p>&lt;div class="back"&gt;Like&lt;/div&gt;</p><p></p><p>&lt;div class="right"&gt;Mark&lt;/div&gt;</p><p></p><p>&lt;div class="left"&gt;as&lt;/div&gt;</p><p></p><p>&lt;div class="top"&gt;Brilliant &lt;/div&gt;</p><p></p><p>&lt;div class="bottom"&gt;❣️&lt;/div&gt;</p><p></p><p>&lt;/div&gt;</p><p></p><p>&lt;/div&gt;</p><p></p><p>&lt;style&gt;</p><p></p><p>body {</p><p></p><p>padding-left: 30%;</p><p></p><p>padding-top: 5%;</p><p></p><p>}</p><p></p><p>.container {</p><p></p><p>width: 200px;</p><p></p><p>height: 200px;</p><p></p><p>position: relative;</p><p></p><p>-webkit-perspective: 1000px;</p><p></p><p>-moz-perspective: 1000px;</p><p></p><p>}</p><p></p><p>#cube {</p><p></p><p>width: 100%;</p><p></p><p>height: 100%;</p><p></p><p>position: absolute;</p><p></p><p>-webkit-transform-style: preserve-3d;</p><p></p><p>-webkit-animation: rotatecube 10s infinite;</p><p></p><p>-moz-transform-style: preserve-3d;</p><p></p><p>-moz-animation: rotatecube 10s infinite;</p><p></p><p>}</p><p></p><p>#cube div {</p><p></p><p>width: 200px;</p><p></p><p>height: 200px;</p><p></p><p>display: block;</p><p></p><p>position: absolute;</p><p></p><p>border: none;</p><p></p><p>line-height: 200px;</p><p></p><p>text-align: center;</p><p></p><p>font-size: 50px;</p><p></p><p>font-weight: bold;</p><p></p><p>}</p><p></p><p>@-webkit-keyframes rotatecube {</p><p></p><p>0% { -webkit-transform: rotateX(0deg) rotateY(360deg) rotateZ(90deg); }</p><p></p><p>25% { -webkit-transform: rotateX(90deg) rotateY(270deg) rotateZ(180deg); }</p><p></p><p>50% { -webkit-transform: rotateX(180deg) rotateY(180deg) rotateZ(0deg); }</p><p></p><p>75% { -webkit-transform: rotateX(270deg) rotateY(90deg) rotateZ(360deg); }</p><p></p><p>100% { -webkit-transform: rotateX(360deg) rotateY(0deg) rotateZ(270deg); }</p><p></p><p>}</p><p></p><p>@-moz-keyframes rotatecube {</p><p></p><p>0% { -moz-transform: rotateX(0deg) rotateY(360deg) rotateZ(90deg); }</p><p></p><p>25% { -moz-transform: rotateX(90deg) rotateY(270deg) rotateZ(180deg); }</p><p></p><p>50% { -moz-transform: rotateX(180deg) rotateY(180deg) rotateZ(0deg); }</p><p></p><p>75% { -moz-transform: rotateX(270deg) rotateY(90deg) rotateZ(360deg); }</p><p></p><p>100% { -moz-transform: rotateX(360deg) rotateY(0deg) rotateZ(270deg); }</p><p></p><p>}</p><p></p><p>.front {</p><p></p><p>background: rgba(255,0,0,.5);</p><p></p><p>}</p><p></p><p>.back {</p><p></p><p>background: rgba(0,255,0,.5);</p><p></p><p>}</p><p></p><p>.right {</p><p></p><p>background: rgba(0,0,255,.5);</p><p></p><p>}</p><p></p><p>.left {</p><p></p><p>background: rgba(0,255,255,.5);</p><p></p><p>}</p><p></p><p>.top {</p><p></p><p>background: rgba(255,0,255,.5);</p><p></p><p>}</p><p></p><p>.bottom {</p><p></p><p>background: rgba(255,255,0,.5);</p><p></p><p>}</p><p></p><p>#cube .front {</p><p></p><p>-webkit-transform: rotateY(0deg ) translateZ( 100px );</p><p></p><p>-moz-transform: rotateY( 0deg ) translateZ( 100px );</p><p></p><p>}</p><p></p><p>#cube .back {</p><p></p><p>-webkit-transform: rotateX( 180deg ) translateZ( 100px );</p><p></p><p>-moz-transform: rotateX( 180deg ) translateZ( 100px );</p><p></p><p>}</p><p></p><p>#cube .right {</p><p></p><p>-webkit-transform: rotateY( 90deg ) translateZ( 100px );</p><p></p><p>-moz-transform: rotateY( 90deg ) translateZ( 100px );</p><p></p><p>}</p><p></p><p>#cube .left {</p><p></p><p>-webkit-transform: rotateY( -90deg ) translateZ( 100px );</p><p></p><p>-moz-transform: rotateY( -90deg ) translateZ( 100px );</p><p></p><p>}</p><p></p><p>#cube .top {</p><p></p><p>-webkit-transform: rotateX( 90deg ) translateZ( 100px );</p><p></p><p>-moz-transform: rotateX( 90deg ) translateZ( 100px );</p><p></p><p>}</p><p></p><p>#cube .bottom {</p><p></p><p>-webkit-transform: rotateX( -90deg ) translateZ( 100px );</p><p></p><p>-moz-transform: rotateX( -90deg ) translateZ( 100px );</p><p></p><p>}</p><p></p><p>&lt;/style&gt;</p><p></p><p>&lt;/body&gt;</p><p></p><p>&lt;/html&gt;

Attachments:
Previous Question
Next Question
Similar questions
English, 4 months ago
C. Rewrite the following sentences containing modal verb in indirect speech. 1. Ravi said, We shall donate money and food to charity'. 2. My friend said, You should get your eyes checked.? ' Hu 3. You mustn't put your hands through the bars,' the zoo worker said sternly. 4. Nina said, 'you ought to call your sister and apologize for your behavior '. 5. My friend said, 'you needn't get food from...
Math, 4 months ago
Learning Task 3: Solve the given problems. Write your answers in your potebook 1. 1 a notebook costs * 5.25, how much is the cost of 6 notebooks? 2. A working student earns ? 25.50 per hour. How much does he earn in 4 hours? If he works 3 days a week, how much does he earn in a week? 3. Mrs. De Guzman's class travelled 3.8 miles to the first observatory. The next closest observatory is 13 times...
Math, 4 months ago
find the value of a³-b³/b³ ,if a/b=3/2​...
Chemistry, 9 months ago
difference between atoms and molecules​...
Social Sciences, 9 months ago
Thich of these kingdoms were annexed for removing misrule in the state?​
History, 1 year ago
write a short note on assam peasant revolt .​
Math, 1 year ago
the present population of a town is 1280000.if it increases at the rate of 6*2/3% per annum,its population two years ago was options are 1100000,1150000,1125000 and 1200000...
Math, 1 year ago
Find the length of a room whose area is 153/10 sq.m and whose breadth is 51/20m.​