1 mL = 1 cm3 Answers: a)0.5 b) 0.004 c) 8000 d) 0.009 e)0.002 f) 6000 g) 0.04 h) 0.012 i)0.0065 j) 7.02 k) 30 l) 603.5 m) 32 n) 0.038 Page 2 of 5 2. One cereal bar has a mass of 37 g. What is the mass of 6 cereal bars? Is that more than or less than 1kg? Explain your answer. 222 g less that halkf of a kg 3. Wanda needs to move 110 kg of rocks. She can carry l0 hg each trip. How many trips must she make? Explain your answer. 110 10 hg =1kg 4. Dr. O is
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Problem Statement Which food gives the most accurate information about the speed of light? Hypothesis I think that the eggs will give me a more accurate result. Procedures: 1. First‚ place the (marshmallows‚ eggs and buttered bread) in the casserole dish‚ completely covering dish. 2. Next‚ put the dish of the (marshmallows eggs and buttered bread) in the microwave and cook on low heat. 3. Heat the food (marshmallows‚ eggs and buttered bread) until it begins to create the hotspots
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R1= 1k‚ R2= 100‚ R= 625 and R= 0. Determine the strain if the bridge was rebalanced with R= 2.4. Given: R1= 1k R= 0 R2= 100 R= 2.4. R3= 625 Req’d: Rsf. Solution: 4) The bridge from the previous problem is balanced this with R1= 3k ‚ R2= 100‚ R= 1250 and R= 0. Determine the strain if the bridge was rebalanced with R= 6.4. Given: R1= 3k R= 0 R2= 100 R= 6.4. R3= 1250 Solution: Rs= (100/3k)(1250) Rs= 41.67 Rs= (100/3k)(6.4)
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EXERCISE 1 – Measuring length using the meter A dime and a meter stick have been used to determine the following: How thick is one dime? 1 mm How thick would a stack of ten dimes be? 10 mm How thick would a stack of one hundred dimes be? 100 mm How thick would a stack of one thousand dimes be? 1‚000 mm Determine the height of each of the following stacks of dimes in metric units. 10 dimes = 10 millimeters (mm) 10 dimes = 1 centimeters (cm) 10 dimes = .1 decimeters
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We had the annual sports day of our school the other day. I took active part in the various events. The sports day began with the races—the hundred meter race‚ the 400 meter race‚ the 300 metre race and one mile race. The last event was the most keenly contested one. Most of the competitors were exhausted4 in the first round and gave in. Only three remained in the field. The one who was last‚ made an effort in the last round and won. There was loud applause. The hurdle race1 also provided a good
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Introduction: Purpose: The Purpose of this experiment is to find the width of a piece of hair using diffraction pattern created by a thin film. Hypothesis: If the hair is human it will have a width of 10-4m. Procedure: 1. Place two pieces of glass flat against each other. 2. Obtain a piece of long hair‚ most likely from one group member’s head. 3. Place the hair between the sheets of glass on one edge. 4. Place a rubber band around the pieces of glass on the side opposite
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Unit Conversions Tutorial Tools to help us with unit conversions are called conversion factors. Most books have tables either in the front or as appendices in the back with all different kinds of conversions factors‚ such as from one unit system to another (Metric to English) or within the same unit system. Unit analysis technique Step 1. Get the conversion factors needed. Step 2. Draw lines to create boxes Column 1 | Column 2 | Column 3 | 1 | 3 | 5 | 2 | 4 | 6 | Note: Depending
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Section 1.4—Converting Units Often‚ a measurement is more convenient in one unit but is needed in another unit for calculations. Dimensional Analysis is a method for converting between units. Equivalents Dimensional Analysis uses equivalents. What is an equivalent? Two measurements that have the same meaning. Ex: What happens if you put one over the top of the other? See your reference sheet for some common equivalencies. We can use these conversion
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the velocity of a motorcycle travelling 561 meters in 54 seconds? Sample Problems for Velocity: 1. What is the average velocity of a car that moved 60 kilometers in 3 hours? 2. What is the velocity of a sailboat that is travelling 100 meters in 120 seconds? 3. If a cyclist in the Tour de France travelled southwest a distance of 12‚250 meters in one hour‚ what would the velocity of the cyclist be? 4. What is the velocity of a ball rolling down a 3.4 meters hill in
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Basic Laboratory Techniques Hari D. Mandal‚ PhD. Objectives 1. To use common laboratory apparatus in measuring mass‚ length‚ volume‚ temperature‚ and density 2. To compute the accuracy and the precision of a set of scientific measurements 3. To apply the concept of significant figures in reporting correctly scientific measurements Materials and Equipment Ruler‚ meter stick‚ 10 mL graduated cylinder‚ 50 mL graduated cylinder‚ small and large test tube‚ 50 mL and 150 mL beakers
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