College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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A particle is as an object which has no mass and only size.
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- I need help with this question. I also don't know what the units should be for the answer. Is it m/s^2 or is it kg m/s^2arrow_forwardWhen the force F is applied to an object of mass m = (2.53 ± 0.01) Kg . The object accelerates at a rate of a = ( 12.76 ±0.01 ) m/s 2. a) Find the percentage uncertainty in the calculated value of F, where F= ma b) Find the value of F. Make sure to include the absolute error in the measurement of force.arrow_forwardSince neutron stars consist totally of neutrons, they are extremely massive and have a density that is hard to imagine. A typical radius and mass for a neutron star are 1.30 x 10³ m and 3.60 x 1028 kg respectively. (a) Determine the density of a neutron star. kg/m³ (b) Determine the weight (in pounds) of a penny (V = 360 mm³) if it were made from this material. (Assume 1 lb = 4.448 N.) lbarrow_forward
- Kinetic energy KE (Chapter 5) has dimensions kgm2/s2. It can be written in terms of the momentum p (Chapter 6) and mass m as KE = p2/2m (a) Determine the proper units for momentum (p) using dimensional analysis. (b) Refer to Problem 2. Given the units of force, write a simple equation relating a constant force F exerted on an object, an interval of time t during which the force is applied, and the resulting momentum of the object, p.arrow_forwardPls help and show all steps ASAP ASAP ASAP ASAParrow_forwardThe linear density of a rod of length 4 m is given by p(x) = 8 + 2Vx measured in kilograms per meter, where x is measured in meters from one end of the rod. Find the total mass of the ra kgarrow_forward
- Since neutron stars consist totally of neutrons, they are extremely massive and have a density that is hard to imagine. A typical radius and mass for a neutron star are 1.90 x 10³ m and 2.50 x 1028 kg respectively. (a) Determine the density of a neutron star. | kg/m³ (b) Determine the weight (in pounds) of a penny (V = 360 mm) if it were made from this material. (Assume 1 lb = 4.448 N.) Ilbarrow_forwardCalculate the mass (in SI units) of a 140 lblb human being. Express your answer with the appropriate units.arrow_forwardEarth has a mass of 5.98*1024 kg.The average mass of the atoms that make up Earth is 40 u. How many atoms are there in Earth?arrow_forward
- Since neutron stars consist totally of neutrons, they are extremely massive and have a density that is hard to imagine. A typical radius and mass for a neutron star are 1.95 103 m and 2.60 1028 kg respectively. (a) Determine the density of a neutron star. kg/m3(b) Determine the weight (in pounds) of a penny (V = 360 mm3) if it were made from this material. (Assume 1 lb = 4.448 N.)arrow_forwardDoes an object always have the same mass and length? What makes a quantity a fundamental or base quantity?arrow_forwardWhy is the average density not a "good" measure of density in this experiment? Mass (kg) Volume(m^3) Density (kg/m^3) 1.16 0.001 1160 2.46 0.0023 1069.565217 5.16 0.005 1032 10.16 0.01 1016 13.66 0.0135 1011.851852 Its a good measure The average does not account for the human errors in the measurements. The average does not account for the random errors in the measurements. The average does not account for the systematic errors in the measurements.arrow_forward
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