Explain! i don’t understand how to find the answer.

a metal bolt with a mass of 8.50 x 10^-2kg and a temperature of 85.0°c is placed in a container of water. the mass of the water is 0.150 kg, and its temperature is 25.0°c. what is the specific heat capacity of the bolt if the final temperature of the bolt and water is 28.4°c? (specific heat of water= 4186 j/kg·°c)

The image below shows numerous volcanic mountains in the pacific northwest. what is the most likely cause of the volcanic and earthquake activity in this region?

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

Aspring is used to stop a 50-kg package which is moving down a 20º incline. the spring has a constant k = 30 kn/m and is held by cables so that it is initially compressed 50 mm. knowing that the velocity of the package is 2 m/s when it is 8 m from the spring and neglecting friction, determine the maximum additional deformation of the spring in bringing the package to rest.