At sea level, the weight of 5 kg mass in SI units is 49.05 N. The...
Last year Leah climbed Mt. McKinley (elevation 6200 m above sea level). Her weight at sea level is 70 kg. By how many newtons did her weight change when she went from sea level to the top of Mt McKinley? (The mean radius of the Earth is 6.38 × 106 m.) A) 3.8 N B) 1.3 N C) 4.2 N D) 0.7 N E) 1.6 N
Known: The mass and the acceleration of gravity are givern Find: Determine the weight of the object in: (a) English Engineering units (b) British Gravitational units (c) SI units Schematic and Given Data: 9.81 m/s2 10 kg
In MKS (SI units), mass is expressed in kilogram (Kg), length in meter (m) and time in second (s). What would be the units for the following? a. Speed = distance/time b. Momentum = mass * speed c. Kinetic energy = (1/2)*mass*speed2 d. Force = mass*acceleration e. Work = Force * distance
The density of air at sea level is 1.3 kg /m. Assume that the average density of a human body is 1,050 kg/m. Approximate the average human body as a cylinde of length 5 feet 7 inches and a cross sectional circumference of 27 inches. (a) Approximate the volume of an average human body. Vhody Number Units (b) Estimate air's buoyant force on an average body. Number Units (c) What is the apparent weight and true weight of an average...
Give the dimensions, SI units, and English units for the following quantities: a. Density b. Pressure c. Viscosity d. Shear e. Mass flow rate f. Specific heat g. Internal energy h. Specific enthalpy i. Work j. Power
4. Find the mass in Ibm of a 14 kg object. 5. Find the weight in Ibr of a 1.6 lbm object. 6. Find the mass in Ibm of an object that weighs 14.1N 7. Calculate the mean and standard deviation of the following data set. Xs X6 X3 X4 X2 4.312 XI 3.56 3.223 5.12 4.89 4.21 8. Free convection in liquid-phase diffusion is characterized by a height H (m), the gravitational acceleration g (m/s2), the liquid viscosity u...
1-9 A rocket has a mass 250010) slugs on earth. Specify a) its mass in SI units, and (b) its weight in SI units. If the rocket is on the moon, where the acceleration due to gravity is g-5.30 ft/s, determine to three significant figures (c) its weight in SI units, and (d) its mass in SI units
. An aircraft with a mass of 2,000 kg starts from rest at sea level and takes off, then flies to a cruising speed of 620 km/h and altitude of 10 km. Assume g-9.8 m/s throughout the process What is the aircraft's change in potential energy? What is the aircraft's change in kinetic energy? a. b. Answers: About 200 and 30 MJ respectively
A) Mass is less, weight is the same. B) Mass is the same, weight is less. C) Both mass and weight are less. D) Both mass and weight are the same. 25. An astronaut weighs 99 N on the Moon, where the acceleration of gravity is 1.62 m, does she weigh on Earth? A) 16 N B) 61 N C) 99 N D) 600 N E) 440 N 26. A net force of 125 N is applied to a certain...
A woman with a mass of 55 kg stands erect on a level ground. What is the approximate magnitude and direction of vertical ground reaction force Fz applied by the person’s weight? The direction of the woman’s weight vector is defined as being negative. A. -540 N B. 540 N C. -121 lbs D. 540 N / 9.81 m/s2