![Physics](/tpl/images/cats/fizika.png)
1) A rock of mass 1.50kg is released from rest at a height of 30m. Ignore air resistance and
calculate;
(a) its speed half way down
(b) its speed on reaching the ground
(c) its total mechanical energy
(i) at a height of 30m
(ii) its kinetic energy half way through
(iii) its potential energy on striking the ground
![answer](/tpl/images/cats/otvet.png)
Answers: 1
Other questions on the subject: Physics
![image](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 00:20, mckinley2006
Zeros that follow non-zeros numbers and are also to the right of a decimal point are significant
Answers: 2
![image](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 04:00, brenda2512
Which terms describe the purpose of antennas on devices that use radio waves? transmit and receivemodify and amplifyamplify and receivemodify and transmit
Answers: 3
![image](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 11:00, sydneyclack
Alarge box of mass m is pulled across a horizontal frictionless surface by a horizontal rope with tension t. a small box of mass m sits on top of the large box. the coefficients of static and
Answers: 1
![image](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 12:00, fryday2516
Lacie kicks a football from ground level at a velocity of 13.9 m/s and at an angle of 25.0° to the ground. how long will the ball be in the air before it lands? how far will the football travel before it lands?
Answers: 1
Do you know the correct answer?
1) A rock of mass 1.50kg is released from rest at a height of 30m. Ignore air resistance and
calcul...
Questions in other subjects:
![Konu](/tpl/images/cats/fizika.png)
![Konu](/tpl/images/cats/ekonomika.png)
![Konu](/tpl/images/cats/ekonomika.png)
![Konu](/tpl/images/cats/obshestvoznanie.png)
![Konu](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 05.09.2020 01:01
![Konu](/tpl/images/cats/informatica.png)
Computers and Technology, 05.09.2020 01:01
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/User.png)
![Konu](/tpl/images/cats/istoriya.png)
History, 05.09.2020 01:01