1. Coach Sally brought 32L of water to the football game and she divided the water equally between 8 coolers. How many milliliters of water did Coach Sally put in each cooler?
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- (a) Suppose that a person has an average heart rate of 72.0 beats/min. How many beats does he or she have in 2.0 y? (b) In 2.00 y? (c) In 2.000 y?(a) Suppose a meter stick made of steel and one made of aluminum ale the same length at 0 C. What is their difference in length at 22.0 C? (b) Repeat the calculation for two 30.0-m-long surveyor's tapes.3. Evaluate the following: a. ĵ· (2î– 3j+ k) b. (2î– j) · (3î+ k)|
- RTI The molecules in a six-particle gas have velocities ₁ (201-30j) m/s V2 (10i+60j) m/s 73=(-501 +20j) m/s 7= 30i m/s Vs (40i-40j) m/s ₁=(-50 i 10j) m/s Calculate Varg Express the x and y components of the velocity in meters per second separated by a comma. Uz avg, Uy avg Submit Part B VD|| ΑΣΦ Request Answer W Calculate Davg- Express your answer with the appropriate units. ? m/s2.57 A drop of water at 20°C is forming under a solid surface. The configuration just before separating and falling as a drop is shown in the figure. Assume the forming drop has the volume of a hemisphere. What is the diameter of the hemisphere just be- fore separating? PROBLEM 2 5727. You are in a toob floating down the Guadalupe River. The river is flowing with 2 m/s. Your friend, who is 1 meter away, pushes the floating cooler in your direction with a velocity (horizontal to the river) of 0.5 m/s. See drawing below You Initial distance = Cooler = 0.5 m/s River = 2 m/s 1 meter Cooter How much time does it take for the cooler to reach you? b. What is the total velocity of the cooler during its journey between your friend and you? When catch the floating cooler, consider it an inelastic collision. If С. you your mass is 65 kg and the cooler is 10 kg, what is your final total velocity? a.
- 60 g of aluminum (c = 0.9 j/gC) at 100 C is put into 100 g of water (c = 4.19 j/gC) at 20 C. Ig nore the cup. The final temperature of the mixture is: A. 60 C B. 50 C C. 6 C D. 29 CAn apple loses 4.5 kJ of heat as it cools per degC drop in its temperature. The amount of heat loss from the apple per degF drop in its temperature is? what is the answer a. 23.368 BTU b. 684799.38 KJ c. 649098.941 BTU d. 24652.778 kJWhen a cooked chicken breast is first removed from an oven, it has a surface temperature of 180 C. By the time the chicken is served at the table it has cooled to 120 C. What is the ratio of energy flux density emitted from the surface of the chicken when it has cooled to that when it was hot? Group of answer choices A. depends on mass of the chicken B. 0.20 C. 0.57 D. 0.67 E. depends on surface area of the chicken
- What is Ƴ if V = 0.100c ?1. Two liters of a perfect gas are at 0 degrees C and 1 atm.If the gas is nitrogen, N2. Determine the mass of the gas. 2. What is the new length of an Aluminum rod 17.4 cm long after being heated to 100C from 20C? coefficient 25x10^-6/C?1. The time required for peanut oil to flow between the two marks on the Ostwald pipette was 2,400 sec and 120 sec for water at 25°C. The ρ of peanut oil is 2.5 and that of water is 0.997. The η of water is 0.8904 cp at this temperature. What is the kinematic viscosity of peanut oil? a. 0.04 cstokes b. 17.86 cstokes c. 2.84 cstokes d. None of the choices e. 22.33 cstokes 2. Calculate the amount of sodium chloride to be added in a 100 mL solution of 1% drug solution with L iso value of 2.2 ˚C/M. MW = 216.32 g/mol using Freezing point depression method. a. 1.45 g b. 0.73 g c. 0.88 g d. 1.77 g