Q8) Massa silinder padat adalah 10Kg dan jari-jarinya adalah 5 meter. Berapa momennya terhadap sumbu yang melalui pusat dan sejajar dengan panjangnya
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A: Answer:- Given Speed of sound in the rod is 19 times the speed of sound in air (Sa/Sr) = 1/19…
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Q: Q8) Massa silinder padat adalah 2 Kg dan jari-jarinya adalah 2 meter. Berapa momennya terhadap sumbu…
A: Here , given that a solid cylinder of mass, m= 2 Kg Radius ,R= 2 m
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Q8) Massa silinder padat adalah 10Kg dan jari-jarinya adalah 5 meter. Berapa momennya terhadap sumbu yang melalui pusat dan sejajar dengan panjangnya?
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- 2. A certain fuel-efficient hybrid car gets gasoline mileage of 55.0mpg (miles per gallon). a. If you are driving this car in Europe and want to compare its mileage with that of other European cars, express this mileage in km/L. b. If this car's gas tank holds 45 L, how many tanks of will you use to drive 1500 km?In the equation, C2=C, py+0.5pv², if y is distance, g is gravitational acceleration, p is density and P is pressure, then, the dimensions of C2 is Select one: O a. MLT1 O b. ML?T2 O C. MLT-1 O d. ML- T1 O e. ML-'T-2How many g are there in 1mg? a) 1 x 10^6 g b) 1 x 10^-6 g c) 1000kg d) 1 x 10^-3 g
- One mole of Gold (Au) atom has a mass of 197 g. We know that the density of gold is 19.30 g/cm3 in room temperature. Using those numbers, answer the following questions: a) What is the mass of a single gold atom in kg? b) Assume that gold atoms sit in a perfect cubic crystal structure. Estimate the distance between two gold atoms in meters. c) If we have a gold cube of 6 cm on each side, how many atoms can we fit along the edge of each side of the cube? d) What would be the mass, in kilograms, of the gold cube we discussed in part (c) (measuring 6 cm on each side)?1%A9 li. t LTET 4G+ Vol) O A X O U 9:-7 Second H.W.pdf 1. Draw and label the vector with these components. Then determine the magnitude and angle of the vector. a- Az = 3 ,A, = -2 b- B, = -2 ,B, = 2 2. What is the speed of horse in meter per second that runs a distance of 1.2 miles in 2.4 minutes? 3. A car moving along X- axis according on the function: X (t) = 2 t2 + 5t +7 on [1,2] Find: a- The average velocity. b- The acceleration at 3s. 4. Julie is walking around a track at a 2m/s for some exercise. She then decides to start jogging so she accelerates at a rate of 0.5m/s? for 3 seconds. How far did Julie travel from the time she started to accelerate to the end of the 3 seconds? 5. Ralph uses a 2000 to do this. force to push his car along a road for 1000 m. It takes him500 s a- Calculate the amount of work that Ralph did on the car. b- Calculate the amount of power that he generated. IIWhich of this is not true? A. All non zero digits are considered significant B. Leading zeroes are considered significant C. Captive zeroes are considered significant D. Trailing zeroes are insignificant if the number doesn't have a decimal point Is speed part of international metric system? Yes or no? Just yes or no What unit of measurement of temperature has an absolute value? Is it K? Yes or no? Just yes or no.
- Match the equivalent quantities: v 160.2 µC A. 25600 m v 160.2 nC B. 9 x 109 N-m?/c2 v k C. 2.56 m 256 cm D. 1.602 x 10-7 c E. 1.602 x 10-4 cThe Statue of Liberty in New York City is approximately 305 ft305 ft tall. How many U.S. dimes would be in a stack of the same height? Each dime is 1.35 mm1.35 mm thick. number of dimes: Each dime has a mass of 2.268 g.2.268 g. How much would the stack of dimes from the previous question weigh? mass: g What is the value, in dollars, of the same stack of dimes? value: dollars The 2017 U.S. gross domestic product (GDP) was valued at 19,390,604,000 dollars.19,390,604,000 dollars. How many Statue of Liberty‑height stacks of dimes are needed to match the GDP in value? number of stacks:Q1/ Choose the correct answer (MCQ)? 1. Vector product of two vectors quantities is also known as . . a. scalar product point product 2. The fundamental quantities is called of the- b. dot product d. cross product с. a. Kelvin b. area c. density d. speed 3. A scalar quantity is completely specified by a - a. single direction b. single value c. both
- Question Help ▼ The density (p) of the atmosphere as a function of altitude (A) can be approximated by the model shown in the graph. What are the units of the constant -0.0001? O A. kg/m^3 O B. m^3/kg O C. kg m^3 p= 1.225 e0.0001 A O D. kg/m^2 O E. 1/m O F. m O G. m^2/kg O H. dimensionless Altitude (A) (m)Some physical quantity X has the following units: M-9 L-5 T7. Some physical quantity Y has the following units: M6 L3 T-2. X and Y are related by an equation Y2 = c X-9, where c is some constant. The units of c can be written as Ma Lb Tc. What is a?Suppose that Å = 2i + j, B= i– 4j + k, and = j+k. ... What is Á· (B x Č), A A. -2 В) В. -2 k с) с.-11 D) D. -11 k E) none of the choices
