Activity 3-Wor In class activity 3 FAGE LAYOUT REPERENCES MALINGS REVIEWVIEW Nam

Question

Activity 3-Wor In class activity 3 FAGE LAYOUT REPERENCES MALINGS REVIEWVIEW Name iinor has sides of length 25.0 mm. If 1.000 cubic meter of pure water has a 1) (2p ss of water will this container be able to hold? 0.025m 0.015625 Kg of Water 15*102 Kg e first 5.0 kilometers with an average (which were uphill) at an average speed of 2) A bike acer completed a 20.0 kilometer race. She pedaled th spoed of 20.0 kmhr. She 100 km br. She completed the next 5.0 kilometers (which were downhill) at an average speed of 25.0 pedaled the next 5.0 kilometers km br and the final 5.0 kilometers she covered at an average speed Skrn @20km/ht. 15min 5km@10 km/ br,30 min . 5km@25km/ht. 12 mi of 20.0 km/hour 5km@20 km/bE. 15 min Cepoins) Hes ong dind it take the biker to complete the race? T2 Minutes, Thr 12 minutes b pount) What was the biker's average speed for the whole race? 16.7 Km/ You theow a ball sright m. The ball reaches a beighs (measured from cund) of 25.0 m and then it starts to fail back up inte the air from the top of a building. a) 1 point) Deiemins the initial velocity of the ball The building has a height of 15.0 FS

Explanation / Answer

(2) Side of cube (a) = 25 mm =25*10-3 m
Volume of cube = a3 = (25*10-3)3 = 15625*10-9 m3
Now we know that 1 m3 holds 1000 kg
Therefore
15625*10-9 m3 will hold = 1000 *15625*10-9 kg of water
= 0.15625 kg of water
hence the correct option is b.

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