Plzzz help me solve this .
A vertical spring of unstretched length 30cm is clamped at its upper end. when sand is placed in a pan attached to the lower end of the spring its length becomes 45cm .when 20g mass is placed on top of the sand the length increases to 55cm
(1) determine the mass of the sand
(2) if the spring in a above is compressed from its original length to the length of 24cm, calculatethe work done in compressing the spring
Answers: 1
Physics, 21.06.2019 22:00, penaabel6202
Which units can be used to measure length or distance? check all that apply. gram meter kilometer liter inch
Answers: 1
Physics, 23.06.2019 08:00, josephjannace12
Describe a mesomorph body type and expain why this body type a sportsperson to perform well in either football swimming or cross country
Answers: 1
Physics, 23.06.2019 10:40, marie1211
10. the kinetic theory of matter states that atomic particles will move if the temperature is above the freezing temperature of water atomic particles bounce off each other one time in their life atomic particles are constantly bumping off each other because particles are in direct contact with each other at all times all matter is made up of atomic particles which are in constant random motion
Answers: 1
Plzzz help me solve this .
A vertical spring of unstretched length 30cm is clamped at its upper end...
Mathematics, 15.02.2021 20:40
Mathematics, 15.02.2021 20:40
Mathematics, 15.02.2021 20:40
Mathematics, 15.02.2021 20:40
Social Studies, 15.02.2021 20:40